fix: add ISSUE_TEMPLATE

.github/ISSUE_TEMPLATE/1-bug.yml

@@ -0,0 +1,59 @@
+name: Bug report
+description: Something is not working as it should.
+labels: ["bug"]
+body:
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component
+      options:
+        - EC2 / instances
+        - EBS / volumes
+        - S3 / object store
+        - VPC / networking
+        - IAM / authentication
+        - EKS
+        - API gateway
+        - Web UI
+        - CLI / daemon
+        - Observability / telemetry
+        - Build / CI / packaging
+        - Documentation
+        - Other / not sure
+    validations:
+      required: true
+
+  - type: input
+    id: version
+    attributes:
+      label: Spinifex version
+      description: Output of `spinifex --version`, or the commit SHA you are on.
+      placeholder: v1.0.0, or commit abc1234
+    validations:
+      required: true
+
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened
+      description: What you saw, what you expected instead, and how to reproduce it.
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs and output
+      description: Relevant log lines, error messages or command output.
+      render: shell
+
+  - type: textarea
+    id: platform
+    attributes:
+      label: Platform
+      description: Where you are running it, and how you deployed it.
+      placeholder: |
+        OS: Debian 13
+        Kernel: 6.12
+        Arch: amd64
+        Deployment: single node, systemd

.github/ISSUE_TEMPLATE/2-feature.yml

@@ -0,0 +1,32 @@
+name: Feature request
+description: Suggest something new.
+labels: ["enhancement"]
+body:
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component
+      options:
+        - EC2 / instances
+        - EBS / volumes
+        - S3 / object store
+        - VPC / networking
+        - IAM / authentication
+        - EKS
+        - API gateway
+        - Web UI
+        - CLI / daemon
+        - Observability / telemetry
+        - Build / CI / packaging
+        - Documentation
+        - Other / not sure
+    validations:
+      required: true
+
+  - type: textarea
+    id: proposal
+    attributes:
+      label: What would you like to see?
+      description: What you are trying to do, and what stops you today.
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/3-docs.yml

@@ -0,0 +1,20 @@
+name: Documentation
+description: Something in the docs is wrong, missing or unclear.
+labels: ["documentation"]
+body:
+  - type: input
+    id: location
+    attributes:
+      label: Where
+      description: Link to the page, or the path to the file in this repository.
+      placeholder: https://docs.mulgadc.com/..., or README.md
+    validations:
+      required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: What is wrong
+      description: What is inaccurate, missing or confusing, and what it should say instead.
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,8 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Documentation
+    url: https://docs.mulgadc.com
+    about: Guides, configuration reference and API compatibility notes.
+  - name: Report a security vulnerability
+    url: https://github.com/mulgadc/spinifex/security/advisories/new
+    about: Report privately. Please do not open a public issue for a vulnerability.