feat(cli): add cli package

.github/CONTRIBUTING.md

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+# Contributing
+
+## Where to Contribute
+
+| Type | Repository |
+|------|------------|
+| Protocol | [paritytech/dotns](https://github.com/paritytech/dotns) |
+| SDK/CLI | This repository |
+
+## Setup
+```bash
+git clone https://github.com/parity/dotns-sdk.git
+cd dotns-sdk
+bun install
+cd packages/cli && bun run build
+```
+
+## Development
+```bash
+bun run dev <command>    # Run without building
+bun run typecheck        # Type check
+bun run lint             # Lint
+bun run format           # Format check
+```
+
+## Commits
+
+Follow [Conventional Commits](https://www.conventionalcommits.org/):
+```
+<type>(<scope>): <description>
+```
+
+Types: feat, fix, docs, style, refactor, test, chore
+
+Scopes: cli, bulletin, auth, register, deps, ci
+
+Examples:
+```
+feat(cli): add parallel upload
+fix(bulletin): resolve CID mismatch
+docs(cli): update examples
+chore(deps): bump polkadot-api
+```
+
+## Pull Requests
+
+1. Create branch from `main`
+2. Make changes
+3. Run `bun run typecheck && bun run lint`
+4. Open PR with clear description
+
+## Code Style
+
+- Run `bun run lint:fix` and `bun run format:fix` before committing
+- Add JSDoc for public APIs
+- Follow existing conventions

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Report Protocol Bug
+    url: https://github.com/paritytech/dotns/issues/new?template=bug_report.md
+    about: For bugs in the DotNS protocol or contracts, report on the main repository.
+
+  - name: Feature Request
+    url: https://github.com/paritytech/dotns/issues/new?template=feature_request.md
+    about: For protocol feature requests, submit to the main repository.
+
+  - name: Discussions
+    url: https://github.com/paritytech/dotns/discussions
+    about: Questions and general discussion.

.github/ISSUE_TEMPLATE/sdk-bug.yml

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+name: SDK Bug
+description: Bug in SDK 
+labels: ["type: bug", "needs-info"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        This tracker is for SDK and CLI bugs only.
+
+        Protocol bugs: https://github.com/paritytech/dotns/issues
+
+  - type: checkboxes
+    id: preflight
+    attributes:
+      label: Checklist
+      options:
+        - label: Searched existing issues
+          required: true
+        - label: Read documentation
+          required: true
+        - label: This is SDK/CLI specific
+          required: true
+
+  - type: dropdown
+    id: package
+    attributes:
+      label: Package
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+        - "@dotns/cli"
+        - "Build/CI"
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+    validations:
+      required: true
+
+  - type: textarea
+    id: reproduction
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+      label: Steps to Reproduce
+      placeholder: |
+        1. Run `dotns ...`
+        2. See error
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+        Bun: 
+        Package version: 
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+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs
+      render: shell

.github/ISSUE_TEMPLATE/sdk-build.yml

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+name: Build Issue
+description: Build or installation issue
+labels: ["type: bug", "scope: build"]
+body:
+  - type: checkboxes
+    id: preflight
+    attributes:
+      label: Checklist
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+          required: true
+        - label: Tried `bun install --frozen-lockfile`
+          required: true
+
+  - type: dropdown
+    id: issue-type
+    attributes:
+      label: Type
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+        - "Build"
+        - "Runtime"
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+        - "TypeScript"
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+        Bun: 
+        Node: 
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.github/ISSUE_TEMPLATE/sdk-docs.yml

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+name: Documentation
+description: Documentation issue
+labels: ["type: docs"]
+body:
+  - type: dropdown
+    id: doc-type
+    attributes:
+      label: Type
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+        - "README"
+        - "Code comments"
+        - "CLI help"
+        - "Examples"
+        - "Types"
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.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+
+## Type
+
+- [ ] Bug fix
+- [ ] Feature
+- [ ] Breaking change
+- [ ] Documentation
+- [ ] Chore
+
+## Package
+
+- [ ] `@dotns/cli`
+- [ ] Root/monorepo
+- [ ] Documentation
+
+## Related Issues
+
+Fixes #
+
+## Checklist
+
+### Code
+
+- [ ] Follows project style
+- [ ] `bun run lint` passes
+- [ ] `bun run format` passes
+- [ ] `bun run typecheck` passes
+
+### Documentation
+
+- [ ] README updated if needed
+- [ ] Types updated if needed
+
+### Breaking Changes
+
+- [ ] No breaking changes
+- [ ] Breaking changes documented below
+
+**Breaking changes:**
+
+## Testing
+
+How to test:
+
+1. 
+2. 
+
+## Notes

.github/labeler.yml

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+"pkg: cli":
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+      - any-glob-to-any-file: "packages/cli/**"
+
+"scope: bulletin":
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+      - any-glob-to-any-file:
+          - "packages/cli/src/**/bulletin/**"
+          - "packages/cli/src/commands/bulletin.ts"
+
+"scope: auth":
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+      - any-glob-to-any-file:
+          - "packages/cli/src/**/auth/**"
+          - "packages/cli/src/**/keystore/**"
+
+"scope: registration":
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+
+"scope: contenthash":
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+          - "packages/cli/src/**/cid/**"
+
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+          - "docs/**"
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+"type: test":
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+
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+          - "**/package.json"
+          - "**/bun.lockb"