New: Added linux menu template.

Author: jarrodek

app/menus/linux.json

@@ -0,0 +1,66 @@
+{
+  "menu": [{
+      "label": "File",
+      "submenu": [
+        {"label": "New Window", "command": "application:new-window", "accelerator": "CommandOrControl+n"},
+        {"type": "separator"},
+        {"label": "Settings", "command": "application:show-settings", "accelerator": "CommandOrControl+,"},
+        {"type": "separator"},
+        {"label": "Save", "command": "request:save", "accelerator": "CommandOrControl+s"},
+        {"label": "Save as...", "command": "request:save-as", "accelerator": "CommandOrControl+Shift+s"},
+        {"type": "separator"},
+        {"label": "Import data", "command": "application:import-data"},
+        {"label": "Export data", "command": "application:export-data"}
+        {"type": "separator"},
+        {"label": "Quit", "command": "application:quit"}
+      ]
+    }, {
+        "label": "View",
+        "submenu": [
+          {"role": "togglefullscreen"},
+          {
+            "label": "Developer",
+            "submenu": [
+              {"role": "reload"},
+              {"role": "forcereload"},
+              {"role": "toggledevtools"}
+            ]
+          },
+          {"type": "separator"},
+          {"role": "resetzoom"},
+          {"role": "zoomin"},
+          {"role": "zoomout"},
+          {"role": "minimize"}
+        ]
+      }, {
+        "label": "Window",
+        "role": "window",
+        "submenu": [
+          {"role": "minimize"},
+          {"role": "zoom"},
+          {"type": "separator"},
+          {"role": "front"}
+        ]
+      }, {
+        "label": "Help",
+        "role": "help",
+        "submenu": [
+          {"label": "VERSION", "enabled": false},
+          {"label": "License information", "command": "application:open-license"},
+          {"type": "separator"},
+          {"label": "Restart and Install Update", "command": "application:install-update", "visible": false},
+          {"label": "Check for Update", "command": "application:check-for-update", "visible": false},
+          {"label": "Checking for Update", "enabled": false, "visible": false},
+          {"label": "Downloading Update", "enabled": false, "visible": false},
+          {"label": "Privacy policy", "command": "application:open-privacy-policy"},
+          {"label": "Documentation", "command": "application:open-documentation"},
+          {"label": "Frequently Asked Questions", "command": "application:open-faq"},
+          {"type": "separator"},
+          {"label": "Community Discussions", "command": "application:open-discussions"},
+          {"label": "Report Issue", "command": "application:report-issue"},
+          {"label": "Search Issues", "command": "application:search-issues"},
+          {"type": "separator"},
+          {"label": "About ARC", "command": "application:about"}
+        ]
+      }]
+}