Adds docs for web debugging

.vscode/tasks.json

@@ -42,6 +42,18 @@
 			"problemMatcher": ["$ts-checker-webpack-watch", "$ts-checker-eslint-webpack-watch"]
 		},
 		{
+			"label": "Run (local web)",
+			"type": "npm",
+			"script": "web",
+			"group": "test",
+			"isBackground": true,
+			"presentation": {
+				"group": "web",
+				"reveal": "never"
+			},
+			"problemMatcher": []
+		},
+		{
 			"label": "Run (vscode.dev)",
 			"group": "test",
 			"dependsOn": ["npm: web:serve", "npm: web:tunnel"],

CONTRIBUTING.md

@@ -100,12 +100,36 @@ yarn run package
 
 ### Debugging
 
-#### Using VS Code
+#### Using VS Code (desktop)
 
 1. Open the `vscode-gitlens` folder
 2. Ensure the required [dependencies](#dependencies) are installed
 3. Choose the `Watch & Run` launch configuration from the launch dropdown in the Run and Debug viewlet and press `F5`.
 
+#### Using VS Code (desktop webworker)
+
+1. Open the `vscode-gitlens` folder
+2. Ensure the required [dependencies](#dependencies) are installed
+3. Choose the `Watch & Run (web)` launch configuration from the launch dropdown in the Run and Debug viewlet and press `F5`.
+
+#### Using VS Code for the Web (locally)
+
+See https://code.visualstudio.com/api/extension-guides/web-extensions#test-your-web-extension-in-a-browser-using-vscodetestweb
+
+1. Open the `vscode-gitlens` folder
+2. Ensure the required [dependencies](#dependencies) are installed
+3. Run the `build` or `watch` task from the command palette
+4. Run the `Run (local web)` task from the command palette
+
+#### Using VS Code for the Web (vscode.dev)
+
+See https://code.visualstudio.com/api/extension-guides/web-extensions#test-your-web-extension-in-on-vscode.dev
+
+1. Open the `vscode-gitlens` folder
+2. Ensure the required [dependencies](#dependencies) are installed
+3. Run the `build` or `watch` task from the command palette
+4. Run the `Run (vscode.dev)` task from the command palette
+
 ### Change Log
 
 The [Change Log](CHANGELOG.md) is updated manually and an entry should be added for each change. Changes are grouped in lists by `added`, `changed` or `fixed`.