feat: add /help, /history, /uptime commands and enhance /status

- /help: detailed guide with examples for all commands
- /status: overall indicator, emoji markers, updated time, status page link
- /history [count]: recent incidents with impact, dates, links (max 10)
- /uptime: component health with last change time
- Split info commands into bot-info-commands.js for modularity
- Register all 7 commands in bot-setup.js

README.md

@@ -17,13 +17,17 @@ Hosted on [Cloudflare Workers](https://workers.cloudflare.com/) with KV for stor
 
 | Command | Description |
 |---------|-------------|
+| `/help` | Detailed command guide with examples |
 | `/start` | Subscribe to notifications (default: incidents + components) |
 | `/stop` | Unsubscribe from notifications |
-| `/status` | Show current status of all components |
+| `/status` | Show current status with overall indicator and all components |
 | `/status <name>` | Show status of a specific component (fuzzy match) |
 | `/subscribe incident` | Receive incident notifications only |
 | `/subscribe component` | Receive component update notifications only |
 | `/subscribe all` | Receive both (default) |
+| `/history` | Show 5 most recent incidents with impact and links |
+| `/history <count>` | Show up to 10 recent incidents |
+| `/uptime` | Component health overview with last status change time |
 
 ## Prerequisites