ci: add rust quality gates

Author: jeresoftx

.github/workflows/ci.yml

@@ -0,0 +1,30 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  rust:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy, rustfmt
+
+      - name: Format
+        run: cargo fmt --check
+
+      - name: Clippy
+        run: cargo clippy --all-targets --all-features -- -D warnings
+
+      - name: Test
+        run: cargo test --all-targets
+
+      - name: Doctest
+        run: cargo test --doc

.github/workflows/docs.yml

@@ -0,0 +1,30 @@
+name: Docs
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  inventory:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Validate course inventory
+        run: |
+          set -euo pipefail
+
+          test -s README.md
+          test -s AGENTS.md
+          test -s ROADMAP.md
+          test -s docs/SUMMARY.md
+          test -s examples/README.md
+          test -s tests/README.md
+          test -s benches/README.md
+          test -s diagrams/README.md
+          test -s assets/README.md
+
+          grep -q "Vector" docs/SUMMARY.md
+          grep -q "Skip List" docs/SUMMARY.md