feat(Milvus Vector Store Node): Add support for the Milvus vector db (#14404)

packages/@n8n/nodes-langchain/credentials/MilvusApi.credentials.ts

@@ -0,0 +1,54 @@
+import type {
+	ICredentialTestRequest,
+	ICredentialType,
+	INodeProperties,
+	IAuthenticateGeneric,
+} from 'n8n-workflow';
+
+export class MilvusApi implements ICredentialType {
+	name = 'milvusApi';
+
+	displayName = 'Milvus';
+
+	documentationUrl = 'milvus';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Base URL',
+			name: 'baseUrl',
+			required: true,
+			type: 'string',
+			default: 'http://localhost:19530',
+		},
+		{
+			displayName: 'Username',
+			name: 'username',
+			type: 'string',
+			default: '',
+		},
+		{
+			displayName: 'Password',
+			name: 'password',
+			type: 'string',
+			typeOptions: { password: true },
+			default: '',
+		},
+	];
+
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				Authorization: '=Bearer {{$credentials.username}}:{{$credentials.password}}',
+			},
+		},
+	};
+
+	test: ICredentialTestRequest = {
+		request: {
+			baseURL: '={{ $credentials.baseUrl }}',
+			url: '/v1/vector/collections',
+			method: 'GET',
+		},
+	};
+}