feat:added basic issue and PR template

.github/ISSUE_TEMPLATE.md

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+**Summary:**
+
+Summarise your issue in one sentence (what goes wrong, what did you expect to happen).
+
+**Steps to reproduce:**
+
+How can we reproduce the issue?
+
+**Expected behaviour:**
+
+What did you expect the app to do?
+
+**Observed behaviour:**
+
+What did you see instead?  Describe your issue in detail here.
+
+**Logcat for the issue**
+
+Provide logs for the crash here
+
+**Device and Android version:**
+
+What make and model device (e.g., Samsung Galaxy S3) did you encounter this on?  What Android
+version (e.g., Android 4.0 Ice Cream Sandwich or Android 6.0 Marshmallow) are you running?  Is it
+ the stock
+version from the manufacturer or a custom ROM?
+
+**Screenshots:**
+
+Can be created by pressing the Volume Down and Power Button at the same time on Android 4.0 and higher.

.github/PULL_REQUEST_TEMPLATE.md

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+Fixes #Issue_Number
+
+Please Add Screenshots If there are any UI changes.
+
+Please make sure these boxes are checked before submitting your pull request - thanks!
+
+- [ ] Run the unit tests with `./gradlew check` to make sure you didn't break anything
+
+- [ ] If you have multiple commits please combine them into one commit by squashing them.