Add standalone vscode extension

This allows easier debugging, and potentially useful in future to use
debugger without language features etc.

.gitignore

@@ -2,4 +2,5 @@ out
 node_modules
 .DS_Store
 coverage
-winuaebootlog.txt
+winuaebootlog.txt
+*.vsix

.vscode/launch.json

@@ -0,0 +1,32 @@
+{
+  // 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": "0.2.0",
+  "configurations": [
+    {
+      "args": ["--extensionDevelopmentPath=${workspaceFolder}"],
+      "name": "Extension",
+      "outFiles": ["${workspaceFolder}/out/**/*.js"],
+      "preLaunchTask": "npm",
+      "request": "launch",
+      "type": "extensionHost"
+    },
+    {
+      "name": "Server",
+      "type": "node",
+      "request": "launch",
+      "cwd": "${workspaceFolder}",
+      "program": "${workspaceFolder}/src/debugAdapter.ts",
+      "args": ["--server=4711"],
+      "outFiles": ["${workspaceFolder}/out/**/*.js"],
+      "preLaunchTask": "npm"
+    }
+  ],
+  "compounds": [
+    {
+      "name": "Extension + Server",
+      "configurations": ["Extension", "Server"]
+    }
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+	"[m68k]": {
+		"editor.rulers": []
+	}
+}

.vscode/tasks.json

@@ -0,0 +1,13 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "type": "npm",
+      "script": "build",
+      "group": "build",
+      "problemMatcher": [],
+      "label": "npm",
+      "detail": "node ./node_modules/vscode/bin/compile -watch -p ./"
+    }
+  ]
+}