Update issue templates and add PR template

Author: gabor-boros

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,32 +1,29 @@
-Issue tracker is **ONLY** used for reporting bugs. NO NEW FEATURE ACCEPTED! Use [spectrum](https://spectrum.chat/rethinkdb) for supporting issues.
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug, not qualified
+assignees: gabor-boros
 
-<!--- Provide a general summary of the issue in the Title above -->
+---
 
-## Expected Behavior
-<!--- Tell us what should happen -->
+**Describe the bug**
+A clear and concise description of what the bug is.
 
-## Current Behavior
-<!--- Tell us what happens instead of the expected behavior -->
+**To Reproduce**
+Steps to reproduce the behavior:
+1. TODO
 
-## Possible Solution
-<!--- Not obligatory, but suggest a fix/reason for the bug, -->
+**Expected behavior**
+A clear and concise description of what you expected to happen.
 
-## Steps to Reproduce
-<!--- Provide a link to a live example, or an unambiguous set of steps to -->
-<!--- reproduce this bug. Include code to reproduce, if relevant -->
-1.
-2.
-3.
-4.
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
 
-## Context (Environment)
-<!--- How has this issue affected you? What are you trying to accomplish? -->
-<!--- Providing context helps us come up with a solution that is most useful in the real world -->
+**System info**
+ - OS: [e.g. macOS Mojave 10.14.3]
+ - RethinkDB Version: [e.g. 2.4.0]
+ - Python client version: [e.g. 2.4.1
 
-<!--- Provide a general summary of the issue in the Title above -->
-
-## Detailed Description
-<!--- Provide a detailed description of the change or addition you are proposing -->
-
-## Possible Implementation
-<!--- Not obligatory, but suggest an idea for implementing addition or change -->
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement, not qualified, question
+assignees: gabor-boros
+
+---
+
+**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.

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,15 @@
+**Reason for the change**
+If applicable, link the related issue/bug report or write down in few sentences the motivation.
+
+**Description**
+A clear and concise description of what did you changed and why.
+
+**Code examples**
+If applicable, add code examples to help explain your changes.
+
+**Checklist**
+- [ ] Unit tests created/modified
+- [ ] Integration tests created/modified
+
+**References**
+Anything else related to the change e.g. documentations, RFCs, etc.