feat: vscode task config for launching dev proxy

.vscode/tasks.json

@@ -0,0 +1,24 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"label": "Launch proxy",
+			"type": "process",
+			"command": "${command:python.interpreterPath}",
+			"args": [
+				"scripts${/}proxy_lp.py"
+			],
+			"isBackground": true,
+			"presentation": {
+				"reveal": "always",
+				"panel": "dedicated"
+			},
+			"problemMatcher": [],
+			"detail": "python3 scripts/proxy_lp.py",
+			"runOptions": {
+				"instanceLimit": 1,
+				"instancePolicy": "terminateOldest"
+			}
+		}
+	]
+}

scripts/proxy_lp.py

@@ -1,5 +1,9 @@
+import asyncio
+
 from http import HTTPStatus
-from mitmproxy import http
+
+from mitmproxy import addons, http, master
+from mitmproxy.addons import dumper, errorcheck, keepserving, readfile
 
 
 class LiquipediaMapper:
@@ -41,4 +45,21 @@ def __serve_local_js_resource(self, flow: http.HTTPFlow):
             )
 
 
-addons = [LiquipediaMapper()]
+async def main():
+    m = master.Master(None)
+    m.addons.add(
+        *addons.default_addons(),
+        LiquipediaMapper(),
+        dumper.Dumper(),
+        keepserving.KeepServing(),
+        readfile.ReadFileStdin(),
+        errorcheck.ErrorCheck(),
+    )
+    try:
+        await m.run()
+    except asyncio.CancelledError:
+        await m.done()
+
+
+if __name__ == "__main__":
+    asyncio.run(main())