Website restoration: Node.js backend, restored design, GitHub sync disabled

- Replaced broken .NET backend with Node.js/Express
- Restored original website design with purple gradient hero
- Updated homepage and shop pages with Bootstrap 5 responsive design
- Disabled GitHub remote sync - all code now stored locally only
- Created backup scripts and documentation
- All changes saved on Ubuntu server at /var/www/SkyArtShop

backend/node_modules/postgres-bytea/readme.md

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+# postgres-bytea [![Build Status](https://travis-ci.org/bendrucker/postgres-bytea.svg?branch=master)](https://travis-ci.org/bendrucker/postgres-bytea)
+
+> Postgres bytea parser
+
+
+## Install
+
+```
+$ npm install --save postgres-bytea
+```
+
+
+## Usage
+
+```js
+var bytea = require('postgres-bytea');
+bytea('\\000\\100\\200')
+//=> buffer
+```
+
+## API
+
+#### `bytea(input)` -> `buffer`
+
+##### input
+
+*Required*  
+Type: `string`
+
+A Postgres bytea binary string.
+
+## License
+
+MIT © [Ben Drucker](http://bendrucker.me)