Update .env.example with database and bot name

Added database configuration options and bot name to the example environment file.

Author: WizardLoop

src/.env.example

@@ -1,4 +1,11 @@
 API_ID=your_api_id # [api id from my.telegram.org]
 API_HASH=your_api_hash # [api hash from my.telegram.org]
-BOT_TOKEN=your_bot_token # [for the main bot]
+BOT_TOKEN=your_bot_token
 ADMIN=your_username_or_id # [can be multiple admins just add: , ex: 1234, 12345]
+BOT_NAME=GetAnyMessage
+DB_FLAG=yes # can be set no or null
+DB_HOST=localhost # can be null if DB_FLAG=no
+DB_PORT=3306 # can be null if DB_FLAG=no
+DB_USER=mpuser # can be null if DB_FLAG=no
+DB_PASS=mp_pass # can be null if DB_FLAG=no
+DB_NAME=madelineproto # can be null if DB_FLAG=no