fix gitignore again

electron/node_modules/global-agent/dist/classes/HttpProxyAgent.js.flow

@@ -0,0 +1,30 @@
+// @flow
+
+import net from 'net';
+import type {
+  ConnectionCallbackType,
+  ConnectionConfigurationType,
+} from '../types';
+import Agent from './Agent';
+
+class HttpProxyAgent extends Agent {
+  // @see https://github.com/sindresorhus/eslint-plugin-unicorn/issues/169#issuecomment-486980290
+  // eslint-disable-next-line unicorn/prevent-abbreviations
+  constructor (...args: *) {
+    super(...args);
+
+    this.protocol = 'http:';
+    this.defaultPort = 80;
+  }
+
+  createConnection (configuration: ConnectionConfigurationType, callback: ConnectionCallbackType) {
+    const socket = net.connect(
+      configuration.proxy.port,
+      configuration.proxy.hostname,
+    );
+
+    callback(null, socket);
+  }
+}
+
+export default HttpProxyAgent;