Add gaurdian signature

.github/workflows/ci-pre-commit.yml

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+name: Pre-commit checks
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          # Need to grab the history of the PR
+          fetch-depth: 0
+
+      - name: Set up Python (for pre-commit)
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Install pre-commit
+        run: pip install pre-commit
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: 1.87.0
+          components: clippy
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly-2024-12-03
+          components: rustfmt
+
+      - name: Run pre-commit on all files
+        run: pre-commit run --all-files

.gitignore

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+/target
+.secret

.pre-commit-config.yaml

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+repos:
+  - repo: local
+    hooks:
+      # Hooks for workspace
+      - id: cargo-fmt-workspace
+        name: Cargo format for workspace
+        language: "rust"
+        entry: cargo +nightly-2024-12-03 fmt --manifest-path ./Cargo.toml --all -- --config-path rustfmt.toml
+        pass_filenames: false
+        types_or: ["rust", "cargo", "cargo-lock"]
+        files: .
+      - id: cargo-clippy-workspace
+        name: Cargo clippy for workspace
+        language: "rust"
+        entry: cargo +1.87.0 clippy --manifest-path ./Cargo.toml --tests -- -D warnings
+        pass_filenames: false
+        types_or: ["rust", "cargo", "cargo-lock"]
+        files: .
+      - id: cargo-test-workspace
+        name: Cargo test for workspace
+        language: "rust"
+        entry: cargo +1.87.0 test --manifest-path ./Cargo.toml
+        pass_filenames: false
+        types_or: ["rust", "cargo", "cargo-lock"]
+        files: .