chore: add issue templates

Author: ldez

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,74 @@
+name: Bug Report
+description: "Create a report to help us improve."
+labels: [bug]
+body:
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Welcome
+      options:
+        - label: Yes, I understand that the GitHub action repository is not the repository of golangci-lint itself.
+          required: true
+        - label: Yes, I've searched similar issues on GitHub and didn't find any.
+          required: true
+        - label: Yes, I've included all information below (version, config, etc).
+          required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: Description of the problem
+      placeholder: Your problem description
+    validations:
+      required: true
+
+  - type: input
+    id: golangci-lint-version
+    attributes:
+      label: Version of golangci-lint
+    validations:
+      required: true
+
+  - type: input
+    id: github-action-version
+    attributes:
+      label: Version of the GitHub Action
+    validations:
+      required: true
+
+  - type: textarea
+    id: config
+    attributes:
+      label: Workflow file
+      value: |-
+        <details>
+
+        ```
+        <add you file here>
+        ```
+
+        </details>
+    validations:
+      required: true
+
+  - type: input
+    id: go-env
+    attributes:
+      label: Go version
+    validations:
+      required: true
+
+  - type: textarea
+    id: code-example
+    attributes:
+      label: Code example or link to a public repository
+      value: |-
+        <details>
+
+        ```go
+        // add your code here
+        ```
+
+        </details>
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Questions
+    url: https://github.com/golangci/golangci-lint-action/discussions
+    about: If you have a question, or are looking for advice, please post on our Discussions forum!
+  - name: golangci-lint main repository
+    url: https://github.com/golangci/golangci-lint
+    about: The main repository of golangci-lint.
+  - name: golangci-lint documentation
+    url: https://golangci-lint.run
+    about: Please take a look to our documentation.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,36 @@
+name: Feature request
+description: "Suggest an idea for this project."
+labels: [enhancement]
+body:
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: Your feature request related to a problem? Please describe.
+      placeholder: "A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]"
+    validations:
+      required: true
+
+  - type: textarea
+    id: solution
+    attributes:
+      label: Describe the solution you'd like.
+      placeholder: "A clear and concise description of what you want to happen."
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Describe alternatives you've considered.
+      placeholder: "A clear and concise description of any alternative solutions or features you've considered."
+    validations:
+      required: true
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional context.
+      placeholder: "Add any other context or screenshots about the feature request here."
+    validations:
+      required: false