app/macos: add missing Info.plist

bin/app/release/macos/Contents/Info.plist

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleName</key>
+  <string>DarkFi</string>
+  <key>CFBundleExecutable</key>
+  <string>darkfi</string>
+  <key>CFBundleIdentifier</key>
+  <string>com.darkfi.DarkFi</string>
+  <key>CFBundleVersion</key>
+  <string>0.1</string>
+  <key>CFBundleIconFile</key>
+  <string>darkfi</string>
+</dict>
+</plist>
+