✨ Add Elasticsearch node (#1791)

* 🎉 Initial node scaffolding

* ⚡ Implement index operations

* ⚡ Implement document operations

* 🔨 Clean up details

* 🔨 Fix casing

* 🔨 Fix indentation

* ⚡ Minor fixes

* ✏️ Update descriptions

* 🔥 Remove wrong placeholder

* ⚡ Refactor to implement specifyIndexBy

* 👕 Appease linter

* Revert "⚡ Refactor to implement specifyIndexBy"

This reverts commit 02ea0d30804b14f0b489678cd4e5deeb95848883.

* 🔥 Remove unused file

* ⚡ Return source always in document:get and getAll

* ⚡ Rename to options in document:getAll

* ⚡ Rename to options in document:get

* ⚡ Send content as JSON

* ⚡ Add simplify param to document:get

* ⚡ Rename docvalue fields

* ⚡ Make document ID optional in document:index

* ⚡ Implement sendInputData

* 👕 Fix lintings

* Add define and automap to document:index

* WIP on document:update

* 🔨 Adjust document:update per feedback

* 🔥 Remove logging

* ⚡ Improve Elasticsearch node

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

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

@@ -0,0 +1,35 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+export class ElasticsearchApi implements ICredentialType {
+	name = 'elasticsearchApi';
+	displayName = 'Elasticsearch API';
+	documentationUrl = 'elasticsearch';
+	properties = [
+		{
+			displayName: 'Username',
+			name: 'username',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Password',
+			name: 'password',
+			type: 'string' as NodePropertyTypes,
+			typeOptions: {
+				password: true,
+			},
+			default: '',
+		},
+		{
+			displayName: 'Base URL',
+			name: 'baseUrl',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+			placeholder: 'https://abc.elastic-cloud.com:9243',
+			description: 'Referred to as \'endpoint\' in the Elasticsearch dashboard.',
+		},
+	];
+}