feat: add CI configuration from watcher reference

- Add GitHub Actions CI workflow with build, test, and lint jobs
- Add rust-toolchain.toml with nightly-2025-01-01 toolchain
- Add rustfmt.toml with consistent formatting rules
- Updated to use modern GitHub Actions (v4, dtolnay/rust-toolchain)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: drmingdrmer

.github/workflows/ci.yml

@@ -0,0 +1,77 @@
+name: ci
+
+on:
+  push:
+  pull_request:
+  schedule: [cron: "40 1 * * 0"]
+
+jobs:
+
+  test-release-build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        include:
+          - toolchain: "nightly-2025-01-01"
+
+    steps:
+      - name: Setup | Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup | Toolchain
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: "${{ matrix.toolchain }}"
+
+      - name: Build | Release Mode
+        run: cargo build --release
+
+  unittest:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - toolchain: "nightly-2025-01-01"
+            features: ""
+
+    steps:
+      - name: Setup | Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup | Toolchain
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: "${{ matrix.toolchain }}"
+
+      - name: Test
+        run: cargo test --features "${{ matrix.features }}"
+        env:
+          RUST_LOG: debug
+          RUST_BACKTRACE: full
+
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: nightly-2025-01-01
+          components: rustfmt, clippy
+
+      - name: Format
+        run: cargo fmt --all -- --check
+
+      - name: clippy
+        shell: bash
+        run: |
+          cargo clippy --no-deps --workspace --all-targets -- -D warnings
+
+      - name: Build-doc
+        run: cargo doc --all --no-deps
+        env:
+          RUSTDOCFLAGS: "-D warnings"

rust-toolchain.toml

@@ -0,0 +1,3 @@
+[toolchain]
+channel = "nightly-2025-01-01"
+components = ["rustfmt", "clippy", "rust-src", "miri", "rust-analyzer"]

rustfmt.toml

@@ -0,0 +1,10 @@
+edition = "2021"
+style_edition = "2021"
+reorder_imports = true
+imports_granularity = "Item"
+group_imports = "StdExternalCrate"
+where_single_line = true
+trailing_comma = "Vertical"
+overflow_delimited_expr = true
+format_code_in_doc_comments = true
+normalize_comments = true