fix: properly export credentials instance for n8n discovery

- Export KDriveCredentials as both class and instance
- Update package.json to reference the credentials instance
- This should resolve the 'Unknown credential name' error

package.json

@@ -25,7 +25,7 @@
       "KDrive"
     ],
     "credentials": [
-      "KDriveCredentials"
+      "kdriveCredentials"
     ]
   }
 }

src/index.ts

@@ -1,4 +1,4 @@
 import { KDrive } from './nodes/KDrive/KDrive.node';
-import { KDriveCredentials } from './nodes/KDrive/KDriveCredentials.api';
+import { KDriveCredentials, kdriveCredentials } from './nodes/KDrive/KDriveCredentials.api';
 
-export { KDrive, KDriveCredentials };
+export { KDrive, KDriveCredentials, kdriveCredentials };

src/nodes/KDrive/KDriveCredentials.api.ts

@@ -20,4 +20,6 @@ export class KDriveCredentials implements ICredentialType {
       description: 'Your kDrive API key',
     },
   ];
-}
+}
+
+export const kdriveCredentials = new KDriveCredentials();