Update Dockerfile.bot to include SQLite installation and initialize database schema

- Added sqlite3 installation to Dockerfile for database support.
- Changed ownership commands to use fixed UID for non-root user.
- Initialized SQLite database with schema during the build process.
- Removed outdated migration scripts to streamline the project structure.

database/schema.sql

@@ -0,0 +1,110 @@
+-- Telegram Helper Bot Database Schema
+-- Compatible with Docker container deployment
+
+-- System table for SQLite auto-increment sequences
+CREATE TABLE IF NOT EXISTS sqlite_sequence (
+    name TEXT NOT NULL,
+    seq INTEGER NOT NULL
+);
+
+-- Users who have listened to audio messages
+CREATE TABLE IF NOT EXISTS listen_audio_users (
+    file_name TEXT NOT NULL,
+    user_id INTEGER NOT NULL,
+    is_listen BOOLEAN NOT NULL DEFAULT 0
+);
+
+-- Reference table for audio messages
+CREATE TABLE IF NOT EXISTS audio_message_reference (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    file_name TEXT NOT NULL UNIQUE,
+    author_id INTEGER NOT NULL,
+    date_added DATE NOT NULL,
+    listen_count INTEGER NOT NULL DEFAULT 0,
+    file_id INTEGER NOT NULL
+);
+
+-- Database migrations tracking
+CREATE TABLE IF NOT EXISTS migrations (
+    version INTEGER NOT NULL PRIMARY KEY,
+    script_name TEXT NOT NULL,
+    created_at TEXT NOT NULL
+);
+
+-- Bot administrators
+CREATE TABLE IF NOT EXISTS admins (
+    user_id INTEGER NOT NULL PRIMARY KEY,
+    role TEXT
+);
+
+-- User blacklist for banned users
+CREATE TABLE IF NOT EXISTS blacklist (
+    user_id INTEGER NOT NULL PRIMARY KEY,
+    user_name TEXT,
+    message_for_user TEXT,
+    date_to_unban INTEGER
+);
+
+-- User message history
+CREATE TABLE IF NOT EXISTS user_messages (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    message_text TEXT,
+    user_id INTEGER,
+    message_id INTEGER NOT NULL,
+    date TEXT NOT NULL
+);
+
+-- Suggested posts from Telegram
+CREATE TABLE IF NOT EXISTS post_from_telegram_suggest (
+    message_id INTEGER NOT NULL PRIMARY KEY,
+    text TEXT,
+    helper_text_message_id INTEGER,
+    author_id INTEGER,
+    created_at TEXT NOT NULL
+);
+
+-- Links between posts and content
+CREATE TABLE IF NOT EXISTS message_link_to_content (
+    post_id INTEGER NOT NULL,
+    message_id INTEGER NOT NULL,
+    PRIMARY KEY (post_id, message_id)
+);
+
+-- Content associated with Telegram posts
+CREATE TABLE IF NOT EXISTS content_post_from_telegram (
+    message_id INTEGER NOT NULL,
+    content_name TEXT NOT NULL,
+    content_type TEXT,
+    PRIMARY KEY (message_id, content_name)
+);
+
+-- Bot users information
+CREATE TABLE IF NOT EXISTS our_users (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER NOT NULL UNIQUE,
+    first_name TEXT,
+    full_name TEXT,
+    username TEXT,
+    is_bot BOOLEAN DEFAULT 0,
+    language_code TEXT,
+    has_stickers INTEGER DEFAULT 0 NOT NULL,
+    emoji TEXT,
+    date_added DATE NOT NULL,
+    date_changed DATE NOT NULL
+);
+
+-- Audio moderation tracking
+CREATE TABLE IF NOT EXISTS audio_moderate (
+    user_id INTEGER NOT NULL,
+    message_id INTEGER,
+    PRIMARY KEY (user_id, message_id)
+);
+
+-- Create indexes for better performance
+CREATE INDEX IF NOT EXISTS idx_listen_audio_users_file_name ON listen_audio_users(file_name);
+CREATE INDEX IF NOT EXISTS idx_listen_audio_users_user_id ON listen_audio_users(user_id);
+CREATE INDEX IF NOT EXISTS idx_audio_message_reference_author_id ON audio_message_reference(author_id);
+CREATE INDEX IF NOT EXISTS idx_user_messages_user_id ON user_messages(user_id);
+CREATE INDEX IF NOT EXISTS idx_post_from_telegram_suggest_author_id ON post_from_telegram_suggest(author_id);
+CREATE INDEX IF NOT EXISTS idx_our_users_user_id ON our_users(user_id);
+CREATE INDEX IF NOT EXISTS idx_audio_moderate_user_id ON audio_moderate(user_id);