Enable MAS build

Author: GarboMuffin

.gitignore

@@ -13,3 +13,7 @@ src-renderer/packager/standalone.html
 
 # Debian release scripts create files that shouldn't be committed
 deb
+
+# Mac App Store
+distribution.provisionprofile
+development.provisionprofile

build/entitlements.mas.inherit.plist

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+<key>com.apple.security.app-sandbox</key>
+<true/>
+<key>com.apple.security.inherit</key>
+<true/>
+</dict>
+</plist>

build/entitlements.mas.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+<key>com.apple.security.app-sandbox</key>
+<true/>
+<key>com.apple.security.cs.allow-dyld-environment-variables</key>
+<true/>
+<key>com.apple.security.cs.allow-jit</key>
+<true/>
+<key>com.apple.security.device.audio-input</key>
+<true/>
+<key>com.apple.security.device.camera</key>
+<true/>
+<key>com.apple.security.device.microphone</key>
+<true/>
+<key>com.apple.security.files.user-selected.read-only</key>
+<true/>
+<key>com.apple.security.files.user-selected.read-write</key>
+<true/>
+<key>com.apple.security.network.client</key>
+<true/>
+</dict>
+</plist>

package.json

@@ -117,6 +117,8 @@
       "entitlements": "build/entitlements.mac.plist",
       "entitlementsInherit": "build/entitlements.mac.plist",
       "extendInfo": {
+        "ITSAppUsesNonExemptEncryption": false,
+        "LSMultipleInstancesProhibited": true,
         "NSCameraUsageDescription": "This app requires camera access when using the video sensing blocks.",
         "NSMicrophoneUsageDescription": "This app requires microphone access when recording sounds or detecting loudness."
       },
@@ -127,6 +129,16 @@
         }
       ]
     },
+    "mas": {
+      "hardenedRuntime": false,
+      "entitlements": "build/entitlements.mas.plist",
+      "entitlementsInherit": "build/entitlements.mas.inherit.plist",
+      "provisioningProfile": "build/distribution.provisionprofile"
+    },
+    "masDev": {
+      "type": "development",
+      "provisioningProfile": "build/development.provisionprofile"
+    },
     "linux": {
       "artifactName": "${productName}-${os}-${arch}-${version}.${ext}",
       "icon": "./build/",