Start light theme support, improve launch.json

Part of #22

.vscode/launch.json

@@ -1,14 +1,22 @@
-// A launch configuration that launches the extension inside a new window
+// A launch configuration that compiles the extension and then opens it inside a new window
+// Use IntelliSense to learn about possible attributes.
+// Hover to view descriptions of existing attributes.
+// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
 {
-  "version": "0.1.0",
-  "configurations": [
-    {
-      "name": "Launch Extension",
-      "type": "extensionHost",
-      "request": "launch",
-      "runtimeExecutable": "${execPath}",
-      "args": ["--extensionDevelopmentPath=${workspaceRoot}/demo" ],
-      "preLaunchTask": "build"
-    }
-  ]
-}
+	"version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Extension",
+            "type": "extensionHost",
+            "request": "launch",
+            "runtimeExecutable": "${execPath}",
+            "args": [
+                "--extensionDevelopmentPath=${workspaceFolder}/demo"
+            ],
+            "outFiles": [
+                "${workspaceFolder}/out/**/*.js"
+            ],
+            "preLaunchTask": "npm: start"
+        }
+    ]
+}

.vscode/tasks.json

@@ -1,14 +0,0 @@
-{
-  "version": "0.1.0",
-  "command": "npm",
-  "isShellCommand": true,
-  "showOutput": "always",
-  "suppressTaskName": true,
-  "tasks": [
-    {
-      "isBuildCommand": true,
-      "taskName": "build",
-      "args": ["start"]
-    }
-  ]
-}