⚡ Asana OAuth2 support (#669)

* OAuth2 support

* ⚡ Improvements

* ⚡ Improvements

* ⚡ Improvements to Asana Trigger Node

Co-authored-by: Rupenieks <ru@myos,co>
Co-authored-by: ricardo <ricardoespinoza105@gmail.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/nodes-base/credentials/AsanaOAuth2Api.credentials.ts

@@ -0,0 +1,47 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+export class AsanaOAuth2Api implements ICredentialType {
+	name = 'asanaOAuth2Api';
+	extends = [
+		'oAuth2Api',
+	];
+	displayName = 'Asana OAuth2 API';
+	properties = [
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://app.asana.com/-/oauth_authorize',
+			required: true,
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://app.asana.com/-/oauth_token',
+			required: true,
+		},
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Authentication',
+			name: 'authentication',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'body',
+			description: 'Resource to consume.',
+		},
+	];
+}