feat!: add function calling support to client.chat() & client.chat_async()

BREAKING CHANGE: Too many to count in this version. Check the README examples.

.github/workflows/test.yml

@@ -40,3 +40,18 @@ jobs:
         run: make test-doc
         env:
           MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }}
+
+  test_examples:
+    name: Test Documentation
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.76.0
+      - name: Run documentation tests
+        run: make test-doc
+        env:
+          MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }}