docs: add jstrobel as contributor (#719)

Author: jstrobel

.all-contributorsrc

@@ -721,6 +721,16 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "jstrobel",
+      "name": "Jens Strobel",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/1428396?v=4",
+      "profile": "https://github.com/jstrobel",
+      "contributions": [
+        "bug",
+        "translation"
+      ]
     }
   ]
 }

CONTRIBUTORS.md

@@ -17,5 +17,5 @@ Thank you to all the people who have already contributed to GitPoint!
 | [<img src="https://avatars3.githubusercontent.com/u/5528931?v=4" width="100px;"/><br /><sub><b>Dyesse YUMBA</b></sub>](https://github.com/dyesseyumba)<br />[🔧](#tool-dyesseyumba "Tools") | [<img src="https://avatars0.githubusercontent.com/u/20456165?v=4" width="100px;"/><br /><sub><b>Bink</b></sub>](https://binkpitch.me/)<br />[💻](https://github.com/gitpoint/git-point/commits?author=binkpitch "Code") | [<img src="https://avatars2.githubusercontent.com/u/10085841?v=4" width="100px;"/><br /><sub><b>khvilaboa</b></sub>](https://github.com/khvilaboa)<br />[🌍](#translation-khvilaboa "Translation") | [<img src="https://avatars1.githubusercontent.com/u/40802?v=4" width="100px;"/><br /><sub><b>James Glover</b></sub>](http://jamesmglover.com)<br />[💻](https://github.com/gitpoint/git-point/commits?author=jglover "Code") [⚠️](https://github.com/gitpoint/git-point/commits?author=jglover "Tests") | [<img src="https://avatars2.githubusercontent.com/u/3025600?v=4" width="100px;"/><br /><sub><b>Jose Luis Naranjo</b></sub>](https://co.linkedin.com/in/josenaranjo/en)<br />[💻](https://github.com/gitpoint/git-point/commits?author=josenaranjo "Code") | [<img src="https://avatars0.githubusercontent.com/u/1285032?v=4" width="100px;"/><br /><sub><b>Tobias Lohse</b></sub>](http://MrLoh.se)<br />[💻](https://github.com/gitpoint/git-point/commits?author=MrLoh "Code") |
 | [<img src="https://avatars3.githubusercontent.com/u/5467717?v=4" width="100px;"/><br /><sub><b>Serhii Baraniuk</b></sub>](https://www.facebook.com/serhii.baraniuk)<br />[⚠️](https://github.com/gitpoint/git-point/commits?author=kenitive "Tests") | [<img src="https://avatars2.githubusercontent.com/u/57701?v=4" width="100px;"/><br /><sub><b>Ben Snider</b></sub>](http://www.bensnider.com/)<br />[⚠️](https://github.com/gitpoint/git-point/commits?author=stupergenius "Tests") | [<img src="https://avatars1.githubusercontent.com/u/23706543?v=4" width="100px;"/><br /><sub><b>Simon Hoyos</b></sub>](https://www.linkedin.com/in/simonhoyos/)<br />[💻](https://github.com/gitpoint/git-point/commits?author=shmesa22 "Code") [🎨](#design-shmesa22 "Design") | [<img src="https://avatars3.githubusercontent.com/u/10438692?v=4" width="100px;"/><br /><sub><b>Damien Leroy</b></sub>](https://github.com/ShiiFu)<br />[🌍](#translation-ShiiFu "Translation") | [<img src="https://avatars1.githubusercontent.com/u/686676?v=4" width="100px;"/><br /><sub><b>botbotbot</b></sub>](http://dev.im-bot.com)<br />[⚠️](https://github.com/gitpoint/git-point/commits?author=ibotdotout "Tests") | [<img src="https://avatars1.githubusercontent.com/u/8254906?v=4" width="100px;"/><br /><sub><b>Dmytro Kytsmen</b></sub>](https://github.com/Kietzmann)<br />[🌍](#translation-Kietzmann "Translation") |
 | [<img src="https://avatars0.githubusercontent.com/u/3683673?v=4" width="100px;"/><br /><sub><b>TheCodeTalker</b></sub>](https://thecodetalker.github.io/)<br />[💻](https://github.com/gitpoint/git-point/commits?author=TheCodeTalker "Code") | [<img src="https://avatars0.githubusercontent.com/u/2670744?v=4" width="100px;"/><br /><sub><b>Leonardo</b></sub>](https://github.com/LeoCp)<br />[💻](https://github.com/gitpoint/git-point/commits?author=LeoCp "Code") | [<img src="https://avatars2.githubusercontent.com/u/13105865?v=4" width="100px;"/><br /><sub><b>Stephen</b></sub>](https://github.com/coderste)<br />[📖](https://github.com/gitpoint/git-point/commits?author=coderste "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/5565340?v=4" width="100px;"/><br /><sub><b>Zahra Traboulsi</b></sub>](http://www.zahra.tech)<br />[💻](https://github.com/gitpoint/git-point/commits?author=ZahraTee "Code") [⚠️](https://github.com/gitpoint/git-point/commits?author=ZahraTee "Tests") | [<img src="https://avatars3.githubusercontent.com/u/13391685?v=4" width="100px;"/><br /><sub><b>Joseba Carral</b></sub>](http://codevs.es)<br />[🌍](#translation-jcarral "Translation") | [<img src="https://avatars2.githubusercontent.com/u/5800039?v=4" width="100px;"/><br /><sub><b>CTownsdin</b></sub>](https://github.com/CTownsdin)<br />[💻](https://github.com/gitpoint/git-point/commits?author=CTownsdin "Code") |
-| [<img src="https://avatars0.githubusercontent.com/u/7470681?v=4" width="100px;"/><br /><sub><b>Apostolis Economou</b></sub>](https://github.com/apoeco)<br />[💻](https://github.com/gitpoint/git-point/commits?author=apoeco "Code") | [<img src="https://avatars3.githubusercontent.com/u/9337254?v=4" width="100px;"/><br /><sub><b>Arjun</b></sub>](https://github.com/Arjun-sna)<br />[💻](https://github.com/gitpoint/git-point/commits?author=Arjun-sna "Code") | [<img src="https://avatars1.githubusercontent.com/u/5786033?v=4" width="100px;"/><br /><sub><b>Riccardo</b></sub>](http://rkpasia.github.io)<br />[💻](https://github.com/gitpoint/git-point/commits?author=rkpasia "Code") [🎨](#design-rkpasia "Design") | [<img src="https://avatars3.githubusercontent.com/u/21980965?v=4" width="100px;"/><br /><sub><b>Luong Dang Hai</b></sub>](https://luongdanghai.com/)<br />[💻](https://github.com/gitpoint/git-point/commits?author=jarvisluong "Code") |
+| [<img src="https://avatars0.githubusercontent.com/u/7470681?v=4" width="100px;"/><br /><sub><b>Apostolis Economou</b></sub>](https://github.com/apoeco)<br />[💻](https://github.com/gitpoint/git-point/commits?author=apoeco "Code") | [<img src="https://avatars3.githubusercontent.com/u/9337254?v=4" width="100px;"/><br /><sub><b>Arjun</b></sub>](https://github.com/Arjun-sna)<br />[💻](https://github.com/gitpoint/git-point/commits?author=Arjun-sna "Code") | [<img src="https://avatars1.githubusercontent.com/u/5786033?v=4" width="100px;"/><br /><sub><b>Riccardo</b></sub>](http://rkpasia.github.io)<br />[💻](https://github.com/gitpoint/git-point/commits?author=rkpasia "Code") [🎨](#design-rkpasia "Design") | [<img src="https://avatars3.githubusercontent.com/u/21980965?v=4" width="100px;"/><br /><sub><b>Luong Dang Hai</b></sub>](https://luongdanghai.com/)<br />[💻](https://github.com/gitpoint/git-point/commits?author=jarvisluong "Code") | [<img src="https://avatars3.githubusercontent.com/u/1428396?v=4" width="100px;"/><br /><sub><b>Jens Strobel</b></sub>](https://github.com/jstrobel)<br />[🐛](https://github.com/gitpoint/git-point/issues?q=author%3Ajstrobel "Bug reports") [🌍](#translation-jstrobel "Translation") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->