✨ Add Raindrop node (#1464)

* ⚡ Register node and credentials

* ✨ Implement OAuth2 flow

* 🎨 Add SVG icon

* ⚡ Add preliminary node stub

* ⚡ Add preliminary generic functions

* ⚡ Add resource description stubs

* ✨ Implement collection:getAll

* ✨ Implement collection:get

* ✨ Implement collection:create

* ✨ Implement collection:delete

* ✨ Implement collection:update

* ✨ Implement raindrop:create

* ✨ Implement raindrop:delete and update

* ✨ Implement user:get

* ⚡ Improvements

* 🎨 Touch up resource descriptions

* 🎨 Rename resource description files

* ⚡ Remove params for uneditable properties

* ⚡ Remove unneeded success response assignment

* ⚡ Update raindrop params

* ⚡ Minor improvements

* ⚡ Small improvement

* ⚡ Minor improvements

Co-authored-by: ricardo <ricardoespinoza105@gmail.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/nodes-base/credentials/RaindropOAuth2Api.credentials.ts

@@ -0,0 +1,47 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+// https://developer.raindrop.io/v1/authentication
+
+export class RaindropOAuth2Api implements ICredentialType {
+	name = 'raindropOAuth2Api';
+	extends = [
+		'oAuth2Api',
+	];
+	displayName = 'Raindrop OAuth2 API';
+	documentationUrl = 'raindrop';
+	properties = [
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://raindrop.io/oauth/authorize',
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://raindrop.io/oauth/access_token',
+		},
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Authentication',
+			name: 'authentication',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'body',
+		},
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden' as NodePropertyTypes,
+			default: '',
+		},
+	];
+}