Update /web readme

web/.vscode/extensions.json

@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+      "dbaeumer.vscode-eslint"
+    ]
+  }

web/README.md

@@ -1,10 +1,21 @@
-# To run
+This is the Frigate frontend which connects to and provides a User Interface to the Python backend.
+
+# Installing
+Within `/web`, run:
+
 ```bash
 npm install
+```
+
+# Running
+Within `/web`, run:
+
+```bash
 PROXY_HOST=<ip_address:port> npm run dev
 ```
 
-# Tech stack
-- React
-- TypeScript
-- Vite
+The Proxy Host can point to your existing Frigate instance. Otherwise defaults to `localhost:5000` if running Frigate on the same machine.
+
+# Extensions
+Install these IDE extensions for an improved development experience:
+- eslint