feat(Copper Node): Update credential to support HTTP Request node (#9837)

packages/nodes-base/credentials/CopperApi.credentials.ts

@@ -1,4 +1,9 @@
-import type { ICredentialType, INodeProperties } from 'n8n-workflow';
+import type {
+	IAuthenticateGeneric,
+	ICredentialTestRequest,
+	ICredentialType,
+	INodeProperties,
+} from 'n8n-workflow';
 
 export class CopperApi implements ICredentialType {
 	name = 'copperApi';
@@ -25,4 +30,22 @@ export class CopperApi implements ICredentialType {
 			default: '',
 		},
 	];
+
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				'X-PW-AccessToken': '={{$credentials.apiKey}}',
+				'X-PW-Application': 'developer_api',
+				'X-PW-UserEmail': '={{$credentials.email}}',
+			},
+		},
+	};
+
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: 'https://api.copper.com/developer_api/v1/',
+			url: 'users/me',
+		},
+	};
 }