feat: catalogue — 5 agents shell AI (AIChat, ShellGPT, Fabric, Shell AI, AI CLI) + alias ai (issues #94 #95)

- AIChat (sigoden/aichat) : binaire GitHub Release, alias ai -> aichat (issue #94)
- ShellGPT (TheR1D/shell_gpt) : pip shell-gpt, binaire sgpt, python >= 3.10 (issue #95)
- Fabric (danielmiessler/fabric) : go install cmd/fabric, patterns IA (issue #95)
- Shell AI (nishant9083/shell-ai) : npm @shell-ai/cli, local-first Ollama + MCP (issue #95)
- AI CLI (kriserickson/ai-cli) : binaire ai, politique de securite risk/certainty (issue #95)
- v1.0.4 : ROADMAP axe 13 coche (13.1 + 13.3), README 77 agents

closes #94
closes #95

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "agent-manager"
-version = "1.0.3"
+version = "1.0.4"
 edition = "2021"
 description = "Manage local AI coding agents: list, install, start, stop, update — with automatic dependency handling and a YAML-driven catalog."
 license = "MIT"