Add data-analysis issue template.

Author: amandaha8

.github/ISSUE_TEMPLATE/data-analysis.md

@@ -0,0 +1,43 @@
+---
+name: Data Analysis Update
+about: Use this template if you've made a change to or an observation about a project/dataset and you want a permanent record of this. 
+title: 'Data Analysis Update: [description]'
+labels: ["data"]
+assignees: ''
+---
+**Which project does this issue pertain to?** 
+
+Select from the below, and be sure to affix the appropriate label to this issue. 
+
+- [ ] General Transit Feed Specification 
+
+- [ ] Cal-B/C
+
+- [ ] National Transit Database (NTD) Monthly Reports 
+
+- [ ] Open Data 
+
+- [ ] Portfolio Publishing 
+
+- [ ] High Quality Transit Area (HQTA) 
+
+- [ ] Affordable Housing and Sustainable Communities (AHSC) Ridership Calculator 
+
+- [ ] Senate Bill 125
+
+- [ ] Other
+
+**Describe your update/announcement/etc** 
+
+Some ideas of information to include:  
+
+* The datasets that are impacted. Please use markdown when referring to datasets.  
+* Tag relevant teammates so they will get a notification.  
+* Screenshots of your work.  
+
+**Additional context** 
+Add any other context about the announcement here. 
+
+ 
+
+