ci: add spell check job

Author: ymgyt

.github/workflows/ci.yaml

@@ -6,13 +6,19 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v25
-      with:
-        github_access_token: ${{ secrets.GITHUB_TOKEN }}
-    - uses: cachix/cachix-action@v14
-      with:
-        name: syndicationd
-        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-    - run: nix develop .#ci --accept-flake-config --command just check
-
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v25
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: cachix/cachix-action@v14
+        with:
+          name: syndicationd
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - run: nix develop .#ci --accept-flake-config --command just check
+  spell_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: crate-ci/typos@v1.18.2
+        with:
+          config: "./typos.toml"

typos.toml

@@ -1,5 +1,10 @@
 [files]
-extend-exclude = ["crates/synd_api/src/client/github/schema.json", "CHANGELOG.md"]
+extend-exclude = [
+  # Could not fix github api typo
+  "crates/synd_api/src/client/github/schema.json",
+  # Ignore commit message typo
+  "CHANGELOG.md",
+]
 
 [default.extend-words]
 "ratatui" = "ratatui"