Feat: Add issues and pull requests templates (#1560)

* feat: add issues template

* feat: add pr template

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug
+description: File a bug/issue
+title: "[BUG] <title>"
+labels: ["kind/bug"]
+body:
+  - type: markdown
+    attributes:
+      value: "## Thank you for contributing to our Kompose!"
+  - type: textarea
+    attributes:
+      label: Expected Behavior
+      description: |
+        Briefly describe what is the desired behavior.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Actual Behavior
+      description: |
+        Briefly describe what is the actual behavior.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Steps To Reproduce
+      description: Steps to reproduce the behavior.
+      placeholder: |
+        1. In this environment...
+        2. With this config...
+        3. Run '...'
+        4. See error or unexpected result...
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Kompose Version
+      description: |
+        Paste output of `kompose version`.
+      render: Text
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Docker-Compose file
+      description: Paste output of the `docker-compose.yaml` that you are using.
+      render: YAML
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Anything else?
+      description: |
+        Links? References? Anything that will give us more context about the issue you are encountering!
+
+        Tip: You can attach images or log files by clicking this area to highlight it and then dragging files in.
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Kubernetes Community Slack
+    url: https://kubernetes.slack.com
+    about: "Use the #kompose channel"

.github/ISSUE_TEMPLATE/enhancement.yml

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+name: Enhancement Tracking Issue
+description: Provide supporting details for a feature in development
+labels: kind/feature
+body:
+  - type: markdown
+    attributes:
+      value: "## Thank you for contributing to our Kompose!"
+  - type: textarea
+    id: feature
+    attributes:
+      label: What would you like to be added?
+      description: |
+        Describe what feature/enhancement that you want to be added to Kompose.
+    validations:
+      required: true
+
+  - type: textarea
+    id: rationale
+    attributes:
+      label: Why is this needed?
+    validations:
+      required: true

.github/PULL_REQUEST_TEMPLATE.md

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+#### What type of PR is this?
+
+<!--
+Add one of the following kinds:
+/kind bug
+/kind cleanup
+/kind documentation
+/kind feature
+-->
+
+#### What this PR does / why we need it:
+
+#### Which issue(s) this PR fixes:
+<!--
+*Automatically closes linked issue when PR is merged.
+Usage: `Fixes #<issue number>`, or `Fixes (paste link of issue)`.
+-->
+Fixes #
+
+#### Special notes for your reviewer: