✨ Add SeaTable node and trigger (#2240)

* Add SeaTable node

Node for SeaTable, initial credentials, trigger- and standard-node.

Contribution-by: SeaTable GmbH <https://seatable.io>
Signed-off-by: Tom Klingenberg <tkl@seatable.io>

* ⚡ Improvements

* ⚡ Improvements

* ⚡ Fix node and method names and table parameter

* ⚡ Change display name for now again

Co-authored-by: Tom Klingenberg <tkl@seatable.io>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

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

@@ -0,0 +1,48 @@
+import {
+	ICredentialType,
+	INodeProperties,
+} from 'n8n-workflow';
+
+export class SeaTableApi implements ICredentialType {
+	name = 'seaTableApi';
+	displayName = 'SeaTable API';
+	documentationUrl = 'seaTable';
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Environment',
+			name: 'environment',
+			type: 'options',
+			default: 'cloudHosted',
+			options: [
+				{
+					name: 'Cloud-hosted',
+					value: 'cloudHosted',
+				},
+				{
+					name: 'Self-hosted',
+					value: 'selfHosted',
+				},
+			],
+		},
+		{
+			displayName: 'Self-hosted domain',
+			name: 'domain',
+			type: 'string',
+			default: '',
+			placeholder: 'https://www.mydomain.com',
+			displayOptions: {
+				show: {
+					environment: [
+						'selfHosted',
+					],
+				},
+			},
+		},
+		{
+			displayName: 'API Token (of a Base)',
+			name: 'token',
+			type: 'string',
+			default: '',
+		},
+	];
+}