feat(auth): Add OAuth2 authentication

secnex/app/auth.py

@@ -0,0 +1,39 @@
+import typer
+from typing import Optional
+
+from rich.console import Console
+from rich.table import Table
+from rich.prompt import Prompt
+
+from secnex.kit.auth.auth import Auth
+from secnex.kit.config.config import Config
+
+console = Console()
+
+auth_app = typer.Typer()
+
+@auth_app.command(name="login", help="Login to the SecNex API")
+def login():
+    """Login to the SecNex API"""
+    config = Config("default")
+    auth = Auth(config)
+    auth.login()
+    
+@auth_app.command(name="logout", help="Logout from the SecNex API")
+def logout():
+    """Logout from the SecNex API"""
+    config = Config("default")
+    auth = Auth(config)
+    auth.delete_token()
+    console.print(f"Logged out successfully!", style="bold green")
+    
+@auth_app.command(name="status", help="Check if user is already logged in")
+def status():
+    """Check if user is already logged in"""
+    config = Config("default")
+    auth = Auth(config)
+    token = auth.get_token()
+    if token is not None:
+        console.print(f"User is logged in!", style="bold green")
+    else:
+        console.print(f"User is not logged in!", style="bold red")