[Map] Add missing README/LICENSE files for Map Bridges JS packages

Author: Kocal

assets/LICENSE

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+Copyright (c) 2024-present Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

assets/README.md

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+# @symfony/ux-google-map
+
+Easily embed interactive maps in your Symfony application.
+
+**ℹ️ Direct installation of this package is for advanced users only.** We strongly recommend installing it through the PHP package [symfony/ux-google-map](https://packagist.org/packages/symfony/ux-google-map) in a Symfony application with Flex enabled.
+
+If you still want to install this package directly, **make sure its version exactly matches [symfony/ux-google-map](https://packagist.org/packages/symfony/ux-google-map) PHP package version.**
+
+## Resources
+
+-   [Documentation](https://github.com/symfony/ux/tree/2.x/src/Map/src/Bridge/Google)
+-   [Report issues](https://github.com/symfony/ux/issues) and
+    [send Pull Requests](https://github.com/symfony/ux/pulls)
+    in the [main Symfony UX repository](https://github.com/symfony/ux)