app: wire new commands and update docs

README.md

@@ -9,6 +9,13 @@ cp .env.example .env
 # Edit .env: add BOT_TOKEN, CREATOR_ID and configure optional AI models (GEMINI_API_KEY, MISTRAL_API_KEY, OLLAMA_ADDRESS)
 ```
 
+For local Ollama document RAG, install an embedding model locally and set it in `.env`:
+
+```bash
+ollama pull nomic-embed-text
+OLLAMA_EMBEDDING_MODEL=nomic-embed-text
+```
+
 **With Bun (Recommended):**
 ```bash
 bun install
@@ -42,13 +49,14 @@ docker run -d --env-file .env -v $(pwd)/data:/config/data tg-bot-bun
 
 ## Requirements
 
-- Node.js >= 18 OR Bun >= 1.0
+- Node.js >= 20 OR Bun >= 1.0
 - Docker (optional)
 
 
 ## Features
 
 - AI chat (Gemini, Mistral, Ollama)
+- Local document RAG for Ollama without third-party providers
 - Custom answers and commands
 - Admin management
 - User blocking (mute/unmute)