chore: update screenshots

Author: davwheat

README.md

@@ -1,7 +1,5 @@
 # Gateline Errors
 
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/6da4bb8b18ed45ab8199edca85289e7d)](https://app.codacy.com/manual/davwheat/uk_railway_gateline_error_lookup?utm_source=github.com&utm_medium=referral&utm_content=davwheat/uk_railway_gateline_error_lookup&utm_campaign=Badge_Grade_Dashboard)
-
 Ever wondered why a railway ticket barrier doesn't let you through? Look up the error code on our app.
 
 From one number we can provide...
@@ -12,7 +10,7 @@ From one number we can provide...
 
 ## Screenshots
 
-![](docs/img/example_nothing-entered.small.png)
-![](docs/img/example_error-1.small.png)
-![](docs/img/example_error-7.small.png)
-![](docs/img/example_error-76.small.png)
+<img src="docs/img/ss1-bordered.png" width="400" alt="">
+<img src="docs/img/ss2-bordered.png" width="400" alt="">
+<img src="docs/img/ss3-bordered.png" width="400" alt="">
+<img src="docs/img/ss4-bordered.png" width="400" alt="">