feat(turtlebot3_ws): Update vscode settings path for intellisense

This allows intellisense to work properly for `omni.*`, `carb.*`, `pxr.*`, etc.

Related References:
- https://github.com/isaac-sim/IsaacLab/blob/de76c2e9d193ec42b834b920f00ebc7c2bff622a/.vscode/tools/setup_vscode.py#L65
- https://forums.developer.nvidia.com/t/setting-python-development-environment-isaac-sim/154703/12
- PixarAnimationStudios/OpenUSD#196 (comment)

.gitignore

@@ -0,0 +1 @@
+_isaac_sim

README.md

@@ -64,7 +64,15 @@ mkdocs serve
 ### Link Documentation to ROS2 Workspaces
 
 ```sh
-scripts/setup_link.sh
+scripts/setup_docs_link.sh
+```
+
+## VSCode Intellisense
+
+If you have installed Isaac Sim 4.2.0 from [Omniverse Launcher](https://docs.omniverse.nvidia.com/isaacsim/latest/installation/install_workstation.html) to the default path `~/.local/share/ov/pkg/isaac-sim-4.2.0`, you can simply enable IntelliSense for editing any Isaac Sim scripts by running the following script:
+
+```sh
+scripts/setup_isaac_link.sh
 ```
 
 ## Reusing Docker Build Cache

docs/index.md

@@ -64,7 +64,15 @@ mkdocs serve
 ### Link Documentation to ROS2 Workspaces
 
 ```sh
-scripts/setup_link.sh
+scripts/setup_docs_link.sh
+```
+
+## VSCode Intellisense
+
+If you have installed Isaac Sim 4.2.0 from [Omniverse Launcher](https://docs.omniverse.nvidia.com/isaacsim/latest/installation/install_workstation.html) to the default path `~/.local/share/ov/pkg/isaac-sim-4.2.0`, you can simply enable IntelliSense for editing any Isaac Sim scripts by running the following script:
+
+```sh
+scripts/setup_isaac_link.sh
 ```
 
 ## Reusing Docker Build Cache

scripts/setup_isaac_link.sh

@@ -0,0 +1,11 @@
+#!/bin/bash -e
+
+# Get the directory of this script.
+# Reference: https://stackoverflow.com/q/59895
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd)"
+
+cd "$SCRIPT_DIR/.."
+
+ln -s ~/.local/share/ov/pkg/isaac-sim-4.2.0 _isaac_sim
+
+echo "Done."