Update readme with contributing guide and create github templates (#110)

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,30 @@
+---
+name: Feature Request
+about: File a Feature Request.
+title: 'Feature Request'
+---
+
+<!---
+Before filing an issue, please review the following:
+  Existing Features: https://github.com/hossainemruz/toha#features
+  Project Roadmap: https://github.com/hossainemruz/toha#project-roadmap
+-->
+
+### Describe the solution you'd like
+
+<!--
+  Provide a clear and concise description of what you want to happen.
+-->
+
+### Describe alternatives you've considered
+
+<!--
+  Let us know about other solutions you've tried or researched.
+-->
+
+### Additional context
+
+<!--
+  Is there anything else you can add about the proposal?
+  You might want to link to related issues here, if you haven't already.
+-->