docs: Add missing toc entries

README.md

@@ -19,6 +19,13 @@ The best way to get started is to read the following links step by step, everyth
    4. [Visual Studio Code](docs/devcontainer.md#visual-studio-code)
    5. [Dev Container Extension](docs/devcontainer.md#dev-container-extension)
 3. [Use the dev container](docs/devcontainer.md#use-the-dev-container)
+   - [Open your assignment in the container](docs/devcontainer.md#open-your-assignment-in-the-container)
+   - [Commit and push changes](docs/devcontainer.md#commit-and-push-changes)
+   - [Code Formatting](docs/devcontainer.md#code-formatting)
+   - [File and function headers](docs/devcontainer.md#file-and-function-headers)
+   - [Building and debugging](docs/devcontainer.md#building-and-debugging)
+   - [Setting environment variables](docs/devcontainer.md#setting-environment-variables)
+   - [Connecting to Imhotep GUI](docs/devcontainer.md#connecting-to-imhotep-gui)
 
 **For advanced usage:**