Automated documentation update [skip ci] (#111)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

src/lang-rust/README.md

@@ -24,8 +24,50 @@ Work efficiently and effortlessly with Rust
 
 - `rust-lang.rust-analyzer`
 - `tamasfe.even-better-toml`
-- `vadimcn.vscode-lldb@1.11.7`
+- `vadimcn.vscode-lldb@1.11.8`
 
+## Notes
+
+### Extensions
+
+| Areas                 | Extension |
+| :-------------------- | :-------- |
+| Rust Language Server  | [`rust-lang.rust-analyzer`](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer) |
+| TOML Language Support | [`tamasfe.even-better-toml`](https://marketplace.visualstudio.com/items?itemName=tamasfe.even-better-toml) |
+| Debugger              | [`vadimcn.vscode-lldb`](https://marketplace.visualstudio.com/items?itemName=vadimcn.vscode-lldb) |
+
+### Debugger
+
+`rust-analyzer` is configured to use `vadimcn.vscode-lldb` as its debugger.
+
+#### Pretty Printing
+
+To enable pretty printing in the debugger, add the setting
+
+```jsonc
+"lldb.launch.preRunCommands": [
+  "command script import ${containerEnv:DEV_CONTAINER_FEATURE_GHCR_IO_GEORGLAUTERBACH_LANG_RUST_LLDB_PRETTIFIER}"
+]
+```
+
+to the `devcontainer.json`'s IDE-specific settings (example shown is for VS Code). The symbol definitions are copied from [`cmrschwarz/rust-prettifier-for-lldb`](https://github.com/cmrschwarz/rust-prettifier-for-lldb).
+
+### Using a Subdirectory for Your Rust Code
+
+If your code lives in a separate directory that is not the repository root, set
+
+```jsonc
+"lldb.launch.cwd": "${containerWorkspaceFolder}/<SUBDIRECTORY OF YOUR CODE>",
+"lldb.launch.relativePathBase": "${containerWorkspaceFolder}/<SUBDIRECTORY OF YOUR CODE>"
+```
+
+You should also create a symbolic link for a potential `rust-toolchain.toml` file via
+
+```bash
+ln -s "<SUBDIRECTORY OF YOUR CODE>/rust-toolchain.toml" 'rust-toolchain.toml'
+```
+
+This is currently required for the [`rust-lang.rust-analyzer`](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer) extension to work properly.
 
 
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