Merge pull request #277 from noplanman/github_helper_files

Add issue and pull request templates.

.github/ISSUE_TEMPLATE.md

+### Required Information
+
+- PHP version:
+- PHP Telegram Bot version:
+- Using MySQL database: yes / no
+- Update Method: Webhook / getUpdates
+- Self-signed certificate: yes / no
+- RAW update (if available):
+
+### Expected behaviour
+> What SHOULD be happening?
+
+### Actual behaviour
+> What IS happening?
+
+### Steps to reproduce
+> Explain how to reproduce the issue
+
+### Extra details
+> Please post any extra details that might help solve the issue (e.g. logs)

.github/PULL_REQUEST_TEMPLATE.md

+> Make sure this pull request is pointed towards the "develop" branch!
+
+> Explain in detail what this pull request contains.