feat: Implements auto-updating database table

- Automatically updates database table from old versions / Invitarr
 - Fancy text formatting to boost my ego
 - Removes synced variable from config, as we now sync always (guild-specific sync is automatic.)

task: gh-9

app/bot/helper/db.py

@@ -1,6 +1,9 @@
 import sqlite3
 
+from app.bot.helper.dbupdater import check_table_version, update_table
+
 DB_URL = 'app/config/app.db'
+DB_TABLE = 'clients'
 
 def create_connection(db_file):
     """ create a database connection to a SQLite database """
@@ -26,7 +29,7 @@ def checkTableExists(dbcon, tablename):
 conn = create_connection(DB_URL)
 
 # Checking if table exists
-if checkTableExists(conn, 'clients'):
+if checkTableExists(conn, DB_TABLE):
 	print('Table exists.')
 else:
     conn.execute(
@@ -38,6 +41,8 @@ else:
     PRIMARY KEY("id" AUTOINCREMENT)
     );''')
 
+update_table(conn, DB_TABLE)
+
 def save_user_email(username, email):
     if username and email:
         conn.execute(f"""