update issue templates

Author: osiegmar

.github/ISSUE_TEMPLATE/bug_report.md

@@ -4,17 +4,39 @@ about: Create a report to help us improve
 title: ''
 labels: ''
 assignees: ''
-
 ---
 
-**Describe the bug**
-A clear and concise description of what the bug is.
+<!--
+Please make sure to only report bugs here!
+If you have a question or need help, use the Discussions tab instead.
 
-**To Reproduce**
-JUnit test to reproduce the behavior:
-```
-insert test code here
+For any code examples, please use Markdown code blocks with syntax highlighting like this:
+
+```java
+System.out.println("Hello, World!");
 ```
+-->
+
+### Description
+
+<!-- A clear and concise description of what the bug is. -->
+
+### Current Behavior
+
+<!-- Describe what is currently happening. -->
+
+### Expected Behavior
+
+<!-- Describe what you expected to happen. -->
+<!-- If not obvious, please tell why you expected that behavior. -->
+
+### Steps to Reproduce
+
+<!-- Please share a code snippet (ideally, a unit test) to reproduce the issue. -->
+<!-- Remember to include/attach the input data if needed. -->
+
+### Additional Context
 
-**Additional context**
-Java distribution and version to be used (output of `java -version`).
+- Operating system: Windows, Linux, macOS
+- FastCSV version: X.X.X
+- Java version: X.X.X (output of `java -version`)

.github/ISSUE_TEMPLATE/feature_request.md

@@ -4,17 +4,23 @@ about: Suggest an idea for this project
 title: ''
 labels: ''
 assignees: ''
-
 ---
 
-**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 [...]
+### 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
 
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
+<!-- A clear and concise description of any alternative solutions or features you've considered. -->
 
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
+### Goal alignment
 
-**Goal alignment**
-Does this feature align with the [goals](https://www.fastcsv.org/architecture/goals/) of FastCSV?
+<!-- Does this feature align with the Goals (https://www.fastcsv.org/architecture/goals/) of FastCSV? -->