Update voice bot functionality and clean up project structure

- Added voice message handling capabilities, including saving and deleting audio messages via callback queries.
- Refactored audio record management in the database to remove unnecessary fields and streamline operations.
- Introduced new keyboard options for voice interactions in the bot.
- Updated `.gitignore` to include voice user files for better project organization.
- Removed obsolete voice bot handler files to simplify the codebase.

helper_bot/handlers/voice/constants.py

@@ -0,0 +1,56 @@
+from typing import Final, Dict
+
+# Voice bot constants
+VOICE_BOT_NAME = "voice"
+
+# States
+STATE_START = "START"
+STATE_STANDUP_WRITE = "STANDUP_WRITE"
+
+# Commands
+CMD_START = "start"
+CMD_HELP = "help"
+CMD_RESTART = "restart"
+CMD_EMOJI = "emoji"
+CMD_REFRESH = "refresh"
+
+# Command to command mapping for metrics
+COMMAND_MAPPING: Final[Dict[str, str]] = {
+    "start": "voice_start",
+    "help": "voice_help", 
+    "restart": "voice_restart",
+    "emoji": "voice_emoji",
+    "refresh": "voice_refresh"
+}
+
+# Button texts
+BTN_SPEAK = "🎤Высказаться"
+BTN_LISTEN = "🎧Послушать"
+
+# Button to command mapping for metrics
+BUTTON_COMMAND_MAPPING: Final[Dict[str, str]] = {
+    "🎤Высказаться": "voice_speak",
+    "🎧Послушать": "voice_listen"
+}
+
+# Callback data
+CALLBACK_SAVE = "save"
+CALLBACK_DELETE = "delete"
+
+# Callback to command mapping for metrics
+CALLBACK_COMMAND_MAPPING: Final[Dict[str, str]] = {
+    "save": "voice_save",
+    "delete": "voice_delete"
+}
+
+# File paths
+VOICE_USERS_DIR = "voice_users"
+STICK_DIR = "Stick"
+STICK_PATTERN = "Hello_*"
+
+# Time delays
+STICKER_DELAY = 0.3
+MESSAGE_DELAY_1 = 1.0
+MESSAGE_DELAY_2 = 1.5
+MESSAGE_DELAY_3 = 1.3
+MESSAGE_DELAY_4 = 0.8