docs: add podman deployment guide

New docs/DEPLOY.md covering container image, compose config, volume
mounts, host networking, operations, and troubleshooting. Updated
README, INSTALL, CHEATSHEET, and DEBUG to reference it.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docs/INSTALL.md

@@ -5,7 +5,17 @@
 - Python 3.10+
 - SOCKS5 proxy running on `127.0.0.1:1080`
 
-## Setup
+## Container Deployment (Recommended)
+
+See [DEPLOY.md](DEPLOY.md) for full podman/container instructions.
+
+```bash
+cp config/bouncer.example.toml config/bouncer.toml
+$EDITOR config/bouncer.toml
+make build && make up
+```
+
+## Local Setup
 
 ```bash
 cd ~/git/bouncer