Add issue templates directly to repo to fix issue with labels not being added (#9380)

.github/ISSUE_TEMPLATE/bug.yml

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+name: Bug Report
+description: Report a non-security sensitive bug in Keycloak
+labels: ["kind/bug", "status/triage"]
+body:
+  - type: textarea
+    attributes:
+      label: Describe the bug
+      description: Provide a clear and concise description of what the problem is.
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Version
+      description: What version of Keycloak are you running?
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Expected behavior
+      description: Describe the expected behavior clearly and concisely.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Actual behavior
+      description: Describe the actual behavior clearly and concisely.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: How to Reproduce?
+      description: Provide clear and concise steps to reproduce the problem.
+    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!
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Discussions
+    url: https://github.com/keycloak/keycloak/discussions
+    about: Propose new ideas, provide feedback, or ask for help here
+  - name: User mailing list
+    url: https://groups.google.com/forum/#!forum/keycloak-user
+    about: Ask and answer questions here 
+  - name: Developer mailing list 
+    url: https://groups.google.com/forum/#!forum/keycloak-dev
+    about: Propose new features and join in design discussions here

.github/ISSUE_TEMPLATE/enhancement.yml

@@ -0,0 +1,31 @@
+name: Enhancement Request
+description: Request an enhancement to an existing feature
+labels: ["kind/enhancement", "status/triage"]
+body:
+  - type: textarea
+    attributes:
+      label: Description
+      description: Describe the enhancement at a high-level.
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Discussion
+      description: |
+        If there has been a discussion around the enhancement, provide a link to the discussion.
+
+        Please note that larger enhancements should be discussed through [GitHub Discussion](https://github.com/keycloak/keycloak/discussions/categories/ideas).
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Motivation
+      description: Describe why the feature should be added.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Details
+      description: More details? Implementation ideas? Anything that will give us more context about the enhancement you are proposing!
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/epic.yml

@@ -0,0 +1,32 @@
+name: Epic
+description: A large feature that is broken down into multiple linked issues.
+labels: ["kind/epic", "status/triage"]
+body:
+  - type: textarea
+    attributes:
+      label: Description
+      description: Describe the feature at a high-level.
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Discussion
+      description: |
+        Provide a link to the GitHub Discussion for the feature.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Issues
+      description: List the issues related to this epic.
+      placeholder: |
+        - #1
+        - #2
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Motivation
+      description: Provide a brief explanation of why the feature should be added.
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/feature.yml

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+name: Feature Request
+description: Request a new feature to be added to Keycloak
+labels: ["kind/feature", "status/triage"]
+body:
+  - type: textarea
+    attributes:
+      label: Description
+      description: Describe the feature at a high-level.
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Discussion
+      description: |
+        If there has been a discussion around the feature, provide a link to the discussion.
+
+        Please note that all, except small requests, should be discussed through [GitHub Discussion](https://github.com/keycloak/keycloak/discussions/categories/ideas).
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Motivation
+      description: Describe why the feature should be added.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Details
+      description: Design ideas? Implementation ideas? Anything that will give us more context about the feature you are proposing!
+    validations:
+      required: false