add simple ci

.github/workflows/ci.yml

@@ -0,0 +1,61 @@
+name: CI
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_NET_GIT_FETCH_WITH_CLI: true
+  CARGO_TERM_COLOR: always
+  RUSTDOCFLAGS: "--html-in-header docs/katex.html -D warnings"
+
+concurrency:
+  group: ${{github.workflow}}-${{github.ref}}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: cargo test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - run: cargo test --all-targets --all-features
+
+  clippy:
+    name: cargo clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: clippy
+      - run: cargo clippy --all-targets --all-features -- -D warnings
+
+  typos:
+    name: typos
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: crate-ci/typos@master
+
+  fmt:
+    name: cargo fmt + taplo
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: uncenter/setup-taplo@v1
+        with:
+          version: "0.8.1"
+      - run: cargo fmt --all -- --check
+      - run: taplo fmt --check
+
+  doc:
+    name: cargo doc
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - run: cargo doc --all-features --no-deps