✨ Add Youtube-Node (#717)

* ✨ Youtube-Node

* ⚡ Small improvement

* ⚡ Improvements

* ⚡ Improvements

* zap: Improvements

Co-authored-by: Jan <janober@users.noreply.github.com>

packages/nodes-base/credentials/YouTubeOAuth2Api.credentials.ts

@@ -0,0 +1,29 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+//https://developers.google.com/youtube/v3/guides/auth/client-side-web-apps#identify-access-scopes
+const scopes = [
+	'https://www.googleapis.com/auth/youtube',
+	'https://www.googleapis.com/auth/youtubepartner',
+	'https://www.googleapis.com/auth/youtube.force-ssl',
+	'https://www.googleapis.com/auth/youtube.upload',
+	'https://www.googleapis.com/auth/youtubepartner-channel-audit',
+];
+
+export class YouTubeOAuth2Api implements ICredentialType {
+	name = 'youTubeOAuth2Api';
+	extends = [
+		'googleOAuth2Api',
+	];
+	displayName = 'Google OAuth2 API';
+	properties = [
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden' as NodePropertyTypes,
+			default: scopes.join(' '),
+		},
+	];
+}