Update README with docker dev workflow

README.md

@@ -1,10 +1,12 @@
 # GUI Development
 
 ## Running Desktop
+
 1. `cargo install dioxus-cli --version 0.6.3`
 2. `dx run -p mumble-web2-gui --platform desktop --release`
 
 ## Running Web
+
 1. `cargo install dioxus-cli --version 0.6.3`
 2. `dx build -p mumble-web2-gui --platform web --release`
 3. `cp config.toml.example config.toml`
@@ -12,6 +14,7 @@
 5. connect to `localhost:8080`
 
 ## Running Web (with `dx serve`)
+
 1. `cargo install dioxus-cli --version 0.6.3`
 2. `cp config.toml.example config.toml`
 3. `cargo run -p mumble-web2-proxy` in the background
@@ -19,3 +22,10 @@
 5. `export 'MUMBLE_WEB2_GUI_CONFIG={"cert_hash": <CERTIFICATE HASH HERE>, "proxy_url": "https://localhost:4433"}'`
 6. `dx serve -p mumble-web2-gui --platform web`
 7. connect to `localhost:8080`
+
+## Running the dev stack with a docker based proxy
+
+1. cd docker && sudo docker compose up -d
+2. MUMBLE_WEB2_GUI_CONFIG_URL="<https://localhost:64444/config>" dx serve -p mumble-web2-gui --platform web
+3. connect to <https://localhost:64444>
+4. fill in the proxy url as <https://127.0.0.1:4433/proxy> (this should autofill but is currently broken)