added gitlab templates for managing MR and issues

.gitlab/issue_templates/bug_report.md

+<!--
+Coyote
+
+---------------------------------------------------------------
+-->
+
+
+### What is the current bug behavior?
+
+
+
+###  What is the expected correct behavior? 
+
+
+
+### Steps to reproduce 
+
+
+
+### Relevant logs and/or screenshots  
+
+
+
+### Possible fixes (Optional) 

.gitlab/issue_templates/general_issue.md

+<!--
+Coyote
+
+---------------------------------------------------------------
+-->
+
+### Motivation 
+
+
+### Task description
+
+
+###  Definition of done (Max 3 points)
+

.gitlab/merge_request_templates/feature.md

+<!--
+Coyote
+
+---------------------------------------------------------------
+-->
+## Feature Description
+<!--Describe your feature and important technical aspects-->
+
+## Checklist
+- One feature per merge request!
+- Try to incorporate at the very least, one test for your feature (white-box test)
+- In best case, the black-box test is written by the MR reviewer
+- Compile code with your preferred compiler locally first!
+- Test on different compilers (TBD)
+- Ensure CI is passing