Update docs, devcontainer.json, and which_r script for improved R version switching

- which_r: now updates both r.rterm.linux and r.rpath.linux in settings.json
- which_r: enhances reload instructions for users
- docs: clarify R switching and help reload steps
- devcontainer.json: update to ensure compatibility with new workflow

Author: avinab-neogy

.devcontainer/devcontainer.json

@@ -19,14 +19,16 @@
                 "workbench.editorAssociations": {
                     "*.md": "vscode.markdown.preview.editor"
                 },
-                "workbench.welcomePage.walkthroughs.openOnInstall": false
+                "workbench.welcomePage.walkthroughs.openOnInstall": false,
+                "r.libPaths": ["/usr/local/lib/R/site-library"]
             },
             "extensions": [
                 "REditorSupport.r",
                 "mads-hartmann.bash-ide-vscode",
                 "johnstoncode.svn-scm",
                 "ms-vscode.cpptools",
-                "MS-vsliveshare.vsliveshare"
+                "MS-vsliveshare.vsliveshare",
+                "natqe.reload"
             ]
         }
     },

docs/tutorials/contribution_workflow.md

@@ -67,7 +67,9 @@ make
   may skip this step while you are iterating on a bug fix or other development,
   until you are ready to [create a patch](./patch_update.md).
 
-- To use the re-built R, simply open a new R terminal.
+- To use the re-built R, simply open a new R terminal. If you have made changes
+  to the help files, click "Reload" in the VS Code status bar (bottom right) to
+  reload your VS Code window.
 
 #### 4. Cross check and Re-running Code
 

scripts/which_r.sh

@@ -60,8 +60,9 @@ which_r() {
   fi
 
   # Update settings.json with the chosen R path
-  updated_settings_data=$(cat "$settings_file_path" | jq --arg subdir "$selected_version" '."r.rterm.linux"=$subdir')
+  updated_settings_data=$(cat "$settings_file_path" | jq --arg subdir "$selected_version" '."r.rterm.linux"=$subdir | ."r.rpath.linux"=$subdir')
   echo "$updated_settings_data" > "$settings_file_path"
 
   echo "R terminal will now use version: $selected_version"
+  echo "To update the HTML help, click \"Reload\" in the VS Code status bar (bottom right) to reload your VS Code window."
 }