feat(Adalo Node): MVP Adalo node N8N-3263 (#3102)

* ✨ Added Adalo node using declarative API.

* fix: Updated authentication headers.

* fix: Fixed node linting issues.

* ⚡ improvements

* fix: Fixed Adalo node pagination.

* fix: Fixed Adalo node linting issues.

Co-authored-by: Michael Kret <michael.k@radency.com>

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

@@ -0,0 +1,34 @@
+import { IAuthenticateGeneric, ICredentialType, INodeProperties } from 'n8n-workflow';
+
+export class AdaloApi implements ICredentialType {
+	name = 'adaloApi';
+	displayName = 'Adalo API';
+	documentationUrl = 'adalo';
+	properties: INodeProperties[] = [
+		{
+			displayName: 'API Key',
+			name: 'apiKey',
+			type: 'string',
+			default: '',
+			description:
+				'The Adalo API is available on paid Adalo plans, find more information <a href="https://help.adalo.com/integrations/the-adalo-api" target="_blank">here</a>',
+		},
+		{
+			displayName: 'App ID',
+			name: 'appId',
+			type: 'string',
+			default: '',
+			description:
+				'You can get App ID from the URL of your app. For example, if your app URL is <strong>https://app.adalo.com/apps/1234567890/screens</strong>, then your App ID is <strong>1234567890</strong>.',
+		},
+	];
+
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				Authorization: '=Bearer {{$credentials.apiKey}}',
+			},
+		},
+	};
+}