Update Issue and Pull Request Templates

1. Change the paragraph headings to proper Markdown headings (easier to
link / structure the Markdown)
2. Move PULL_REQUEST_TEMPLATE into .github folder
3. Change description in Issue template and remove outdated DevGuide
Repository information
4. Add a bug emoji to bug report isue template
5. Support automatically adding labels 'bug-report' and
'feature-request' to easily sort / filter appropriate issues in Github

.github/ISSUE_TEMPLATE/1_Bug_report.md

@@ -1,32 +1,34 @@
 ---
-name: Bug report
+name: 🐛 Bug report
 about: Create a report to help us improve
+labels: bug-report
 
 ---
 
-**Describe the bug**
+## Describe the bug
 A clear and concise description of the bug.
 
-**To Reproduce**
+## To Reproduce
 Steps to reproduce the behavior:
 1. Drone switched on '...'
 2. Uploaded mission '....' (attach QGC mission file)
 3. Took off '....'
 4. See error
 
-**Expected behavior**
+## Expected behavior
 A clear and concise description of what you expected to happen.
 
-**Log Files and Screenshots**
+## Log Files and Screenshots
 *Always* provide a link to the flight log file:
 - Download the flight log file from the vehicle ([tutorial](https://docs.px4.io/master/en/getting_started/flight_reporting.html)).
-- Share the link to a log showing the problem on [PX4 Flight Review](http://logs.px4.io/).
+- Upload the log to the [PX4 Flight Review](http://logs.px4.io/)
+- Share the link to the log (Copy and paste the URL of the log)
 
 Add screenshots to help explain your problem.
 
-**Drone (please complete the following information):**
+## Drone (please complete the following information):
 - Describe the type of drone.
 - Photo of the IMU / autopilot setup if possible.
 
-**Additional context**
+## Additional context
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/2_Feature_request.md

@@ -1,19 +1,20 @@
 ---
 name: 🚀 Feature Request
 about: Suggest an idea for this project
+labels: feature-request
 
 ---
 
 For general questions please use [PX4 Discuss](http://discuss.px4.io/) or Slack (you can find an invite link on this project README).
 
-**Describe problem solved by the proposed feature**
+## Describe problem solved by the proposed feature
 A clear and concise description of the problem, if any, this feature will solve. E.g. I'm always frustrated when ...
 
-**Describe your preferred solution**
+## Describe your preferred solution
 A clear and concise description of what you want to happen.
 
-**Describe possible alternatives**
+## Describe possible alternatives
 A clear and concise description of alternative solutions or features you've considered.
 
-**Additional context**
+## Additional context
 Add any other context or screenshots for the feature request here.

.github/ISSUE_TEMPLATE/3_Support_question.md

@@ -1,10 +1,13 @@
 ---
 name: ⛔ Support Question
-about: See [PX4 Discuss](http://discuss.px4.io/) for questions about using PX4.
+about: See http://discuss.px4.io/ for questions about using PX4.
 
 ---
 
-We use GitHub issues only to discuss PX4 bugs and new features. For
-questions about using PX4 or related components, please use [PX4 Discuss](http://discuss.px4.io/).
+## Attention! Please read the note below
+
+We use GitHub issues only to discuss PX4 bugs and new features.
+
+**For questions about using PX4 or related components, please use [PX4 Discuss](http://discuss.px4.io/).**
 
 Thanks!

.github/ISSUE_TEMPLATE/4_Documentation_issue.md

@@ -1,9 +1,11 @@
 ---
 name: ⛔ Documentation Issue
-about: See https://github.com/PX4/Devguide for documentation issues
+about: See https://github.com/PX4/px4_user_guide for documentation issues
 
 ---
 
-PX4 has dedicated repositories for developer documentation (https://github.com/PX4/Devguide) and user documentation (https://github.com/PX4/px4_user_guide).
+## Attention! Please read the note below
+
+**Please submit the documentation issue to the [User Guide](https://github.com/PX4/px4_user_guide) repository.**
 
 Thanks!

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,17 +1,17 @@
 Please use [PX4 Discuss](http://discuss.px4.io/) or [Slack](http://slack.px4.io/) to align on pull requests if necessary. You can then open draft pull requests to get early feedback.
 
-**Describe problem solved by this pull request**
-A clear and concise description of the problem this proposed change will solve.
+## Describe problem solved by this pull request
+A clear and concise description of the problem this proposed change will solve. Or, what it will improve.
 E.g. For this use case I ran into...
 
-**Describe your solution**
+## Describe your solution
 A clear and concise description of what you have implemented.
 
-**Describe possible alternatives**
+## Describe possible alternatives
 A clear and concise description of alternative solutions or features you've considered.
 
-**Test data / coverage**
+## Test data / coverage
 How was it tested? What cases were covered? Logs uploaded to https://review.px4.io/ and screenshots of the important plot parts.
 
-**Additional context**
+## Additional context
 Add any other related context or media.