docs: add podman-compose, update all project documentation

- docker-compose.yml for podman-compose deployment
- Makefile: add up/down/logs compose targets
- README: plugin table, container quickstart, make targets
- PROJECT: plugin categories, deployment matrix, design decisions
- ROADMAP: v0.1 done, v0.2 current, v0.3-v1.0 planned
- TASKS: current sprint with priorities
- TODO: full backlog organized by wave
- CHEATSHEET: reorganized by category (OSINT, Red Team, OPSEC)
- INSTALL: container deployment instructions
- DEBUG: container logs, hot-reload, DNS troubleshooting
- USAGE: all 19 commands documented

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

Makefile

@@ -1,4 +1,4 @@
-.PHONY: install dev test lint clean help build container-run container-stop container-logs
+.PHONY: install dev test lint clean help build container-run container-stop container-logs up down logs
 
 APP_NAME := derp
 VENV := .venv
@@ -53,3 +53,12 @@ container-stop: ## Stop and remove container
 
 container-logs: ## Follow container logs
 	podman logs -f $(APP_NAME)
+
+up: ## Start with podman-compose (build + detach)
+	podman-compose up -d --build
+
+down: ## Stop with podman-compose
+	podman-compose down
+
+logs: ## Follow compose logs
+	podman-compose logs -f