chore: add automatic labeling and codeowners

.github/CODEOWNERS

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+* @fwal

.github/labeler.yml

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+🎉 feature:
+  - head-branch:
+      - '^feature'
+      - 'feature'
+      - '^feat'
+      - 'feat'
+🐛 fix:
+  - head-branch:
+      - '^fix'
+      - 'fix'
+📦 admin:
+  - changed-files:
+      - any-glob-to-any-file: 'packages/admin/**'
+📦 client:
+  - changed-files:
+      - any-glob-to-any-file: 'packages/client/**'
+📦 core:
+  - changed-files:
+      - any-glob-to-any-file: 'packages/effect-firebase/**'
+📦 mock:
+  - changed-files:
+      - any-glob-to-any-file: 'packages/mock/**'
+📖 docs:
+  - changed-files:
+      - any-glob-to-any-file:
+          - 'example/**'
+          - '**/*.md'
+🛠️ config:
+  - changed-files:
+      - any-glob-to-any-file: '.github/**'

.github/workflows/triage.yml

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+name: Triage
+
+on:
+  pull_request_target:
+    types: [opened, synchronize]
+
+jobs:
+  check-labels:
+    name: Labels
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    if: ${{ github.actor != 'dependabot[bot]' }}
+    permissions:
+      contents: read
+      issues: write
+      pull-requests: write
+    steps:
+      - name: Set labels
+        uses: actions/labeler@v6