Fix Flask template path and landing page text

- Configure Flask to look for templates in correct directory
- Change 'Start Free Trial' to 'Start for Free Now!' on landing page
- Fix TemplateNotFound error for register.html and other templates

templates/landing.html

@@ -409,7 +409,7 @@
             <p>Advanced AI video analysis tools designed specifically for adult content creators. Automate scene detection, content moderation, and professional video processing with enterprise-grade accuracy.</p>
 
             <div class="cta-buttons">
-                <a href="/register" class="btn btn-primary">Start Free Trial</a>
+                <a href="/register" class="btn btn-primary">Start for Free Now!</a>
                 <a href="/login" class="btn btn-secondary">Login</a>
             </div>
 

vidai/web.py

@@ -29,7 +29,7 @@ from .config import get_all_settings, get_allow_registration
 from .auth import login_user, logout_user, get_current_user, register_user, confirm_email, require_auth, require_admin
 from .database import get_user_tokens, update_user_tokens, get_user_queue_items, get_default_user_tokens
 
-app = Flask(__name__)
+app = Flask(__name__, template_folder='../templates')
 app.secret_key = os.environ.get('FLASK_SECRET_KEY', 'dev-secret-key-change-in-production')
 os.makedirs('static', exist_ok=True)