Cleaned up menu items ordering and separators, added clone note menu item and shortcut, updated focus note shortcut to be mac friendly, made delete note shortcut use either command+backspace or ctrl+backspace and the delete key on windows and linux machines

lib/main-menu.js

@@ -85,14 +85,40 @@ const file = {
     },
     {
       label: 'Focus Note',
-      accelerator: 'Control+E',
+      accelerator: macOS ? 'Command+E' : 'Control+E',
       click () {
         mainWindow.webContents.send('detail:focus')
       }
     },
+    {
+      label: 'Delete Note',
+      accelerator: macOS ? '' : 'Delete',
+      accelerator: macOS ? 'Command+Backspace' : 'Control+Backspace',
+      click () {
+        mainWindow.webContents.send('detail:delete')
+      }
+    },
+    {
+      label: 'Clone Note',
+      accelerator: macOS ? 'Command+D' : 'Control+D',
+      click () {
+        mainWindow.webContents.send('list:clone')
+      }
+    },
     {
       type: 'separator'
     },
+    {
+      label: 'Import from',
+      submenu: [
+        {
+          label: 'Plain Text, MarkDown (.txt, .md)',
+          click () {
+            mainWindow.webContents.send('import:file')
+          }
+        }
+      ]
+    },
     {
       label: 'Export as',
       submenu: [
@@ -123,18 +149,11 @@ const file = {
       type: 'separator'
     },
     {
-      label: 'Import from',
-      submenu: [
-        {
-          label: 'Plain Text, MarkDown (.txt, .md)',
-          click () {
-            mainWindow.webContents.send('import:file')
-          }
-        }
-      ]
-    },
-    {
-      type: 'separator'
+      label: 'Generate/Update Markdown TOC',
+      accelerator: 'Shift+Ctrl+T',
+      click () {
+        mainWindow.webContents.send('code:generate-toc')
+      }
     },
     {
       label: 'Format Table',
@@ -145,16 +164,6 @@ const file = {
     {
       type: 'separator'
     },
-    {
-      label: 'Generate/Update Markdown TOC',
-      accelerator: 'Shift+Ctrl+T',
-      click () {
-        mainWindow.webContents.send('code:generate-toc')
-      }
-    },
-    {
-      type: 'separator'
-    },
     {
       label: 'Print',
       accelerator: 'CommandOrControl+P',
@@ -162,16 +171,6 @@ const file = {
         mainWindow.webContents.send('list:isMarkdownNote')
         mainWindow.webContents.send('print')
       }
-    },
-    {
-      type: 'separator'
-    },
-    {
-      label: 'Delete Note',
-      accelerator: macOS ? 'Control+Backspace' : 'Control+Delete',
-      click () {
-        mainWindow.webContents.send('detail:delete')
-      }
     }
   ]
 }
@@ -296,9 +295,6 @@ const view = {
         mainWindow.setFullScreen(!mainWindow.isFullScreen())
       }
     },
-    {
-      type: 'separator'
-    },
     {
       label: 'Toggle Side Bar',
       accelerator: 'CommandOrControl+B',