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/bcrypt/binding.gyp

@@ -0,0 +1,61 @@
+{
+  "variables": {
+    "NODE_VERSION%":"<!(node -p \"process.versions.node.split(\\\".\\\")[0]\")"
+  },
+  'targets': [
+    {
+      'target_name': 'bcrypt_lib',
+      'sources': [
+        'src/blowfish.cc',
+        'src/bcrypt.cc',
+        'src/bcrypt_node.cc'
+      ],
+      'defines': [
+            '_GNU_SOURCE',
+      ],
+      'cflags!': [ '-fno-exceptions' ],
+      'cflags_cc!': [ '-fno-exceptions' ],
+      'include_dirs' : [
+          "<!@(node -p \"require('node-addon-api').include\")"
+      ],
+      'dependencies': ["<!(node -p \"require('node-addon-api').gyp\")"],
+      'conditions': [
+        ['OS=="win"', {
+          "msvs_settings": {
+            "VCCLCompilerTool": {
+              "ExceptionHandling": 1
+            }
+          },
+          'defines': [
+            'uint=unsigned int',
+          ]
+        }],
+        ['OS=="mac"', {
+          'cflags+': ['-fvisibility=hidden'],
+          "xcode_settings": {
+            "CLANG_CXX_LIBRARY": "libc++",
+            'GCC_ENABLE_CPP_EXCEPTIONS': 'YES',
+            'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES', # -fvisibility=hidden
+          }
+        }],
+        ['OS=="zos" and NODE_VERSION <= 16',{
+            'cflags': [
+              '-qascii',
+            ],
+            'defines': ["NAPI_DISABLE_CPP_EXCEPTIONS"],
+        }],
+      ],
+    },
+    {
+      "target_name": "action_after_build",
+      "type": "none",
+      "dependencies": [ "<(module_name)" ],
+      "copies": [
+        {
+          "files": [ "<(PRODUCT_DIR)/<(module_name).node" ],
+          "destination": "<(module_path)"
+        }
+      ]
+    }
+  ]
+}