added credentials endpoint

app.py

@@ -1,11 +1,13 @@
 from flask import Flask
 from flask_cors import CORS
 from routes.search import search_bp
+from routes.credentials import credentials_bp
 
 def create_app():
     app = Flask(__name__)
     CORS(app)
     app.register_blueprint(search_bp, url_prefix='/api')
+    app.register_blueprint(credentials_bp, url_prefix='/api/credentials')
     return app
 
 if __name__ == '__main__':