feat: Add AI tool building capabilities (#7336)

Github issue / Community forum post (link here to close automatically):
https://community.n8n.io/t/langchain-memory-chat/23733

---------

Signed-off-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>
Co-authored-by: Val <68596159+valya@users.noreply.github.com>
Co-authored-by: Alex Grozav <alex@grozav.com>
Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>
Co-authored-by: Deborah <deborah@starfallprojects.co.uk>
Co-authored-by: Jesper Bylund <mail@jesperbylund.com>
Co-authored-by: Jon <jonathan.bennetts@gmail.com>
Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com>
Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Mason Geloso <Mason.geloso@gmail.com>
Co-authored-by: Mason Geloso <hone@Masons-Mac-mini.local>
Co-authored-by: Mutasem Aldmour <mutasem@n8n.io>

packages/@n8n/chat/scripts/postbuild.js

@@ -0,0 +1,16 @@
+const path = require('path');
+const shelljs = require('shelljs');
+
+const rootDirPath = path.resolve(__dirname, '..');
+const n8nRootDirPath = path.resolve(rootDirPath, '..', '..', '..');
+const distDirPath = path.resolve(rootDirPath, 'dist');
+
+const packageJsonFilePath = path.resolve(rootDirPath, 'package.json');
+const readmeFilePath = path.resolve(rootDirPath, 'README.md');
+const licenseFilePath = path.resolve(n8nRootDirPath, 'LICENSE.md');
+
+shelljs.cp(packageJsonFilePath, distDirPath);
+shelljs.cp(readmeFilePath, distDirPath);
+shelljs.cp(licenseFilePath, distDirPath);
+
+shelljs.mv(path.resolve(distDirPath, 'src'), path.resolve(distDirPath, 'types'));