Update templates for issues (#1175)

* Update doc_improvement.md

Update templates: formatting, style, example links.

* Update bug_report.md

* Update enhancement.md

* Fix merge

Co-authored-by: Chen-I Lim <46905241+chenilim@users.noreply.github.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,22 +7,27 @@ assignees: ''
 
 ---
 
-**Steps to reproduce the behavior:**
+## Steps to reproduce the behavior
+
 1. Go to ...
-2. Click on ...
+2. Select  ...
 3. Scroll down to ...
 4. See error
 
-**Expected behavior:**
+## Expected behavior
+
 A clear and concise description of what you expected to happen.
 
-**Screenshots:**
+## Screenshots
-If applicable, add screenshots to help explain your problem.
+
+If applicable, add screenshots to elaborate on the problem.
+
+## Edition and Platform
 
-**Edition and Platform:**
  - Edition: Personal Desktop / Personal Server / Mattermost plugin
  - Version: [e.g. v0.9.0]
  - Browser and OS: [e.g. Chrome 91 on macOS, Edge 93 on Windows]
 
-**Additional context:**
+## Additional context
+
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/doc_improvement.md

@@ -7,11 +7,14 @@ assignees: ''
 
 ---
 
-**Summary:**
+## Summary
+
 Concisely summarize improvement to documentation requested.
 
-**Link to documentation page:**
+## Link to documentation page
-If applicable, link to the documentation page and/or section where you feel the improvement could be added. E.g. `https://www.focalboard.com/guide/user/#renaming-boards`
 
-**(Optional) Additional context and/or screenshot:**
+If applicable, link to the documentation page and/or section where you feel the improvement could be added. E.g. `https://docs.mattermost.com/boards/accessing-boards.html`
-Add additional context and/or a screenshot of the product feature you would like explained in documentation.
+
+## (Optional) Additional context and/or screenshot
+
+Add additional context and/or a screenshot of the product feature you'd like explained in documentation.

.github/ISSUE_TEMPLATE/enhancement.md

@@ -1,5 +1,5 @@
 ---
-name: Enhancement / Feature Idea
+name: Enhancement/Feature Idea
 about: Suggest a new capability
 title: 'Feature Idea: '
 labels: Enhancement
@@ -7,10 +7,11 @@ assignees: ''
 
 ---
 
-**Summary:**
+## Summary
+
 What the new capability is.
 
-**How important this is to me and why:**
+## How important this is to me and why
 
 Importance: High/Medium/Low
 
@@ -19,5 +20,6 @@ Use cases:
 2.
 3.
 
-**Additional context / similar features:**
+## Additional context/similar features
+
 Any examples of good implementations of this capability.