docs: update README for bot store, built-in runner, steamfree

README.md

@@ -58,10 +58,13 @@ For optional features, copy `.env.example` to `.env` and set Giphy, MinIO, LiveK
 - [x] Blocks (user-level blocking)
 - [x] Dark/light mode toggle
 - [x] Mobile-responsive layout (bottom nav, drawer)
-- [x] Bot framework (token auth, CRUD, WebSocket gateway)
+- [x] Bot framework (token auth, CRUD, WebSocket gateway, bot store)
+- [x] Built-in bot runner (server-managed bots, no SSH needed)
+- [x] Built-in bot: Steam Free Games (polls Steam API, auto-posts)
+- [x] Bot message badges (green name + BOT tag in chat)
 - [x] Slash commands (registration, autocomplete)
 - [x] Incoming webhooks (create, execute)
-- [x] Example bots (modbot, welcome bot)
+- [x] Example bots (modbot, welcome bot, steamfree)
 - [x] TUI client (Bubbletea, vim-style, voice support)
 - [x] Roles & permissions system
 - [x] Push notification backend (VAPID)
@@ -97,7 +100,7 @@ dumpsterChat/
 │   ├── voice/            # LiveKit voice/video integration
 │   ├── reaction/         # Message reactions
 │   ├── invite/           # Server invite links
-│   ├── bot/              # Bot framework, auth, commands
+│   ├── bot/              # Bot framework, auth, commands, runner
 │   ├── webhook/          # Incoming webhooks
 │   ├── dm/               # Direct messages (conversations)
 │   ├── push/             # Push notification sender (VAPID)
@@ -112,7 +115,8 @@ dumpsterChat/
 │   └── block/            # User blocking
 ├── examples/             # Example bots
 │   ├── modbot/           # Moderation bot
-│   └── welcome/          # Welcome message bot
+│   ├── welcome/          # Welcome message bot
+│   └── steamfree/        # Steam free games bot (standalone)
 ├── web/                  # React frontend (PWA)
 │   ├── src/
 │   │   ├── components/   # Layout, ChatArea, LoginForm, UserSettings, GiphyPicker, VoiceChannel, VoicePanel, VoiceControls, TypingIndicator, ReactionBar, EmojiPicker, ReplyBar, MentionPopup, InviteModal, JoinServer, MobileNav, MobileDrawer, ThemeToggle, InstallPrompt, BotManager, CommandManager, SlashCommandPopup