Add C/C++ code, configure node-gyp & scripts

.gitignore

@@ -1,3 +1,5 @@
 .idea/
 node_modules/
 build/
+key.txt
+*.node

binding.gyp

@@ -0,0 +1,35 @@
+{
+  'target_defaults': {
+    'defines': [
+      'CBC=1',
+      'AES256=1'
+    ]
+  },
+  'targets': [
+    {
+      'target_name': 'main',
+      'sources': [
+        'src/encryption/main.cpp',
+        'src/encryption/encoding/base64.c',
+        'src/encryption/aes/aes.c'
+      ],
+      'includes': [
+        './common.gypi'
+      ]
+    },
+    {
+      'target_name': 'renderer',
+      'sources': [
+        'src/encryption/main.cpp',
+        'src/encryption/encoding/base64.c',
+        'src/encryption/aes/aes.c'
+      ],
+      'includes': [
+        './common.gypi'
+      ],
+      'defines':[
+        '_TARGET_ELECTRON_RENDERER_'
+      ]
+    },
+  ]
+}

common.gypi

@@ -0,0 +1,30 @@
+{
+  'cflags!': ['-fno-exceptions'],
+  'cflags_cc!': ['-fno-exceptions'],
+  'include_dirs': [
+    "<!(node -p \"require('node-addon-api').include_dir\")"
+  ],
+  'conditions': [
+    ['OS=="mac"', {
+      'cflags+': ['-fvisibility=hidden'],
+      'xcode_settings': {
+        'GCC_ENABLE_CPP_EXCEPTIONS': 'YES',
+        'CLANG_CXX_LIBRARY': 'libc++',
+        'MACOSX_DEPLOYMENT_TARGET': '10.7',
+        'GCC_SYMBOLS_PRIVATE_EXTERN': 'YES', # -fvisibility=hidden
+      }
+    }],
+    ['OS=="win"', { 
+      'msvs_settings': {
+        'VCCLCompilerTool': {
+          'ExceptionHandling': 1,
+          'AdditionalOptions': ['/source-charset:utf-8']
+        },
+      },
+      'defines':[
+        '_HAS_EXCEPTIONS=1',
+        'NOMINMAX'
+      ]
+    }]
+  ]
+}