feat: Create TOTP node (#5901)

* ✨ Create TOTP node

* ♻️ Apply feedback

* ♻️ Recreate `pnpm-lock.yaml`

* ♻️ Apply Giulio's feedback

* 🚧 WIP node tests

* ✅ Finish node test setup

* ⏪ Restore test command

* ⚡ linter fixes, tweaks

* ♻️ Address Michael's feedback

---------

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

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

@@ -0,0 +1,33 @@
+import type { ICredentialType, INodeProperties } from 'n8n-workflow';
+
+export class TotpApi implements ICredentialType {
+	name = 'totpApi';
+
+	displayName = 'TOTP API';
+
+	documentationUrl = 'totp';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Secret',
+			name: 'secret',
+			type: 'string',
+			typeOptions: { password: true },
+			default: '',
+			placeholder: 'e.g. BVDRSBXQB2ZEL5HE',
+			required: true,
+			description:
+				'Secret key encoded in the QR code during setup. <a href="https://github.com/google/google-authenticator/wiki/Key-Uri-Format#secret">Learn more</a>.',
+		},
+		{
+			displayName: 'Label',
+			name: 'label',
+			type: 'string',
+			default: '',
+			required: true,
+			placeholder: 'e.g. GitHub:john-doe',
+			description:
+				'Identifier for the TOTP account, in the <code>issuer:username</code> format. <a href="https://github.com/google/google-authenticator/wiki/Key-Uri-Format#label">Learn more</a>.',
+		},
+	];
+}