added github templates

.github/ISSUE_TEMPLATE/1_Bug_report.md

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+---
+name: 🔴 Bug Report
+about: Report errors and problems
+
+---
+
+| Q                            | A
+| -----------------------------| ---
+| Library version(s) affected: | x.y.z
+| PHP version(s):              | x.y.z
+| OS (with bit depth):         | <!-- ex. Ubuntu 18.04 64-bit -->
+
+**Description**  
+<!-- A clear and concise description of the problem. -->
+
+**How to reproduce**  
+<!-- Code to reproduce the problem. -->
+
+**Possible Solution**  
+<!--- Optional: only if you have suggestions on a fix/reason for the bug -->
+
+**Additional context**  
+<!-- Optional: any other context about the problem: error messages, stack trace, zip files, etc. -->

.github/ISSUE_TEMPLATE/2_Feature_request.md

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+---
+name: 🚀 Feature Request
+about: Ideas for new features and improvements
+
+---
+
+**Description**  
+<!-- A clear and concise description of the new feature. -->
+
+**Example**  
+<!-- A simple example of the new feature in action (include PHP code)
+     If the new feature changes an existing feature, include a simple before/after comparison. -->

.github/PULL_REQUEST_TEMPLATE.md

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+| Q             | A
+| ------------- | ---
+| Bug fix?      | yes/no
+| New feature?  | yes/no <!-- don't forget to update src/**/CHANGELOG.md files -->
+
+<!--
+Write a short README entry for your feature/bugfix here (replace this comment block.)
+
+Do NOT send pull request to `master` branch.
+Please send to `develop` branch instead.
+Any PR to `master` branch will NOT be merged.
+-->