docs:github issue template

Github Issue Templates

Rework Github Template Issues

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug report
+description: File a bug report to help us improve
+labels: ["bug", "needs-triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        ####
+        Before starting a bug report, please take a look into the [Troubleshooting Documentation](https://docs.edgeless.systems/contrast/troubleshooting) and revise the existing issue.
+        Further please ensure that the provided CLI logs are configured with the `--log-level` command-line flag set to `debug`.
+
+        Thanks for taking the time to fill out this bug report!
+
+  - type: input
+    id: version
+    attributes:
+      label: Contrast Version
+      description: "In which version do you encounter this bug? (Output of `contrast version`) "
+      placeholder: "v0.0.0"
+    validations:
+      required: true
+  - type: input
+    id: platform
+    attributes:
+      label: Deployment Platform
+      description: "On which platform do you encounter this bug? (Value of default_platform value in justfile.env)"
+      placeholder: "AKS-CLH-SNP"
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Issue Description + Logs
+      description: A concise description of what you're experiencing. Please append the CLI logs(`--log-level debug`)  of the encountered issue right here.
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Steps to Reproduce The Behavior
+      description: Please provide a step-by-step guide on how to reproduce the issue.

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: true
+contact_links:
+  - name: Having trouble or questions?
+    url: https://github.com/edgelesssys/contrast/discussions/new?category=q-a
+    about: Open a discussion instead! We will be happy to help you.

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature request
+description: Suggest an idea for this project
+body:
+  - type: textarea
+    attributes:
+      label: Use case
+      description: A concise description of what you want to happen.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Describe your solution
+      description: In case you have an idea how to implement this feature.
+  - type: checkboxes
+    attributes:
+      label: Would you be willing to implement this feature?
+      options:
+        - label: Yes, I could contribute this feature.