update github issues and PR templates, add config for github stale bot

in addition to some small updates in the readme, /.github and /docs..

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,50 @@
+---
+name: "Bug report"
+about: "Report a general issue, encountered while using Laradock."
+labels: "Type: Bug"
+---
+
+### Description:
+<!-- A clear and concise description of what the bug is. -->
+
+### Expected Behavior:
+<!-- A clear and concise description of what you expected to happen. -->
+
+### Context information:
+
+**Output of `git rev-parse HEAD`**
+
+```
+{paste here}
+```
+
+**Output of `docker version`**
+
+```
+{paste here}
+```
+
+**Output of `docker-compose version`**
+
+```
+{paste here}
+```
+
+**System info: Mac, Windows or Linux. Include which disto/version**
+
+```
+{paste here}
+```
+
+### Steps to reproduce the issue:
+<!--- How can we reproduce the issue? -->
+
+1.
+2.
+3.
+
+### Stacktrace & Additional info:
+
+```
+{paste here}
+```