update credentials

packages/components/credentials/SerperApi.credential.ts

@@ -0,0 +1,22 @@
+import { INodeParams, INodeCredential } from '../src/Interface'
+
+class SerperApi implements INodeCredential {
+    label: string
+    name: string
+    description: string
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Serper API'
+        this.name = 'serperApi'
+        this.inputs = [
+            {
+                label: 'Serper Api Key',
+                name: 'serperApiKey',
+                type: 'password'
+            }
+        ]
+    }
+}
+
+module.exports = { credClass: SerperApi }