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}
+```

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Support question
+    url: https://gitter.im/LaraDock/laradock
+    about: 'This repository is only for reporting bugs. If you need help, get in touch with us via Gitter.'

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: "Feature request"
+about: "Suggest an idea for this project."
+labels: "Type: Feature Request"
+---
+
+**Is your feature request related to a problem? Please describe.**
+<!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->
+
+**Describe the solution you'd like**
+<!-- A clear and concise description of what you want to happen. -->
+
+**Describe alternatives you've considered**
+<!-- A clear and concise description of any alternative solutions or features you've considered. -->
+
+**Additional context**
+<!-- Add any other context or screenshots about the feature request here. -->