refactor: Restructure project into a scalable package layout

This commit undertakes a major architectural refactoring to improve project organization, scalability, and maintainability

config.py

@@ -0,0 +1,20 @@
+import os
+from dotenv import load_dotenv
+
+# Find the absolute path of the root directory
+basedir = os.path.abspath(os.path.dirname(__file__))
+load_dotenv(os.path.join(basedir, '.env'))
+
+class Config:
+    # General Config
+    JWT_KEY = os.getenv('JWT_KEY')
+    JWT_EXPIRE = int(os.getenv('JWT_EXPIRATION', 30))
+
+    # Database
+    DB_HOST = os.getenv('DB_HOST')
+    DB_USER = os.getenv('DB_USER')
+    DB_PASSWORD = os.getenv('DB_PASSWORD')
+    DB_NAME = os.getenv('DB_NAME')
+
+    # Admin
+    ADMIN_KEY = os.getenv('ADMIN_KEY')