chore: add build checks for lesson_13

Signed-off-by: Anthony D. Mays <[email protected]>

.github/workflows/check_lesson_13_java_pr.yaml

@@ -0,0 +1,27 @@
+name: Check Lesson 13 Java Pull Request
+
+on:
+  pull_request:
+    branches: [ "main" ]
+    paths:
+      - "lesson_13/maps_java/**"
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+
+    - name: Build Lesson 13 with Java
+      working-directory: ./lesson_13/maps_java
+      run: ./gradlew check

.github/workflows/check_lesson_13_ts_pr.yaml

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+name: Check Lesson 13 TS Pull Request
+
+on:
+  pull_request:
+    branches: [ "main" ]
+    paths:
+      - "lesson_13/maps_ts/**"
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Use Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20.x'
+
+    - name: Build Lesson 13 with Node.js
+      working-directory: ./lesson_13/maps_ts
+      run: |
+        npm ci
+        npm run check