[CHANGE] Broken builds

.github/workflows/pr-checks.yml

@@ -0,0 +1,30 @@
+name: PR checks
+
+on:
+  pull_request:
+    branches:
+      - "**"
+
+permissions:
+  contents: read
+
+jobs:
+  test-and-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Build book
+        run: teachbooks build book

book/_toc.yml

@@ -4,7 +4,7 @@ format: jb-book
 root: intro.md
 
 parts:
-  - caption: Week 1: Getting started!
+  - caption: "Week 1: Getting started!"
     chapters:
     - file: Week1/Folders.md
     - file: Week1/installation.md