- add option to enable/disable smart paste

- add shortcut to paste smartly
- use electron's clipboard

browser/main/lib/ConfigManager.js

@@ -25,7 +25,8 @@ export const DEFAULT_CONFIG = {
   hotkey: {
     toggleMain: OSX ? 'Command + Alt + L' : 'Super + Alt + E',
     toggleMode: OSX ? 'Command + Alt + M' : 'Ctrl + M',
-    deleteNote: OSX ? 'Command + Shift + Backspace' : 'Ctrl + Shift + Backspace'
+    deleteNote: OSX ? 'Command + Shift + Backspace' : 'Ctrl + Shift + Backspace',
+    pasteSmartly: OSX ? 'Command + Shift + V' : 'Ctrl + Shift + V'
   },
   ui: {
     language: 'en',
@@ -52,7 +53,8 @@ export const DEFAULT_CONFIG = {
     enableTableEditor: false,
     enableFrontMatterTitle: true,
     frontMatterTitleField: 'title',
-    spellcheck: false
+    spellcheck: false,
+    enableSmartPaste: false
   },
   preview: {
     fontSize: '14',