Add spelling and link checker

Author: emilk

.github/workflows/ci.yml renamed to .github/workflows/cpp.yml

@@ -1,6 +1,6 @@
 on: [push, pull_request]
 
-name: CI
+name: C++
 
 jobs:
   pixi-build:
@@ -13,4 +13,5 @@ jobs:
         with:
           pixi-version: v0.5.0
           cache: true
+
       - run: pixi run build

.github/workflows/spelling_and_links.yml

@@ -0,0 +1,38 @@
+name: Check spelling and links
+on: [pull_request]
+
+jobs:
+  typos:
+    # https://github.com/crate-ci/typos
+    # Add exceptions to .typos.toml
+    # install and run locally: cargo install typos-cli && typos
+    name: typos
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions Repository
+        uses: actions/checkout@v4
+
+      - name: Check spelling of entire workspace
+        uses: crate-ci/typos@master
+
+  spellcheck:
+    name: Spellcheck
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: streetsidesoftware/cspell-action@v2
+        with:
+          files: "**/*.md"
+
+  linkinator:
+    name: linkinator
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: jprochazk/linkinator-action@main
+        with:
+          linksToSkip: "https://crates.io/crates/.*, http://localhost:.*" # Avoid crates.io rate-limiting
+          retry: true
+          retryErrors: true
+          retryErrorsCount: 5
+          retryErrorsJitter: 2000