Add DMG generator

Author: mixxorz

.gitignore

@@ -88,3 +88,5 @@ fastlane/test_output
 # https://github.com/johnno1962/injectionforxcode
 
 iOSInjectionProject/
+
+Installer/source_folder/

GarageBard.xcodeproj/project.pbxproj

@@ -582,6 +582,8 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"GarageBard/Preview Content\"";
+				DEVELOPMENT_TEAM = MQD7YVN9G9;
+				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = GarageBard/Info.plist;
@@ -609,6 +611,8 @@
 				COMBINE_HIDPI_IMAGES = YES;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"GarageBard/Preview Content\"";
+				DEVELOPMENT_TEAM = MQD7YVN9G9;
+				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = GarageBard/Info.plist;

Installer/GarageBard.dmg

@@ -0,0 +1,13 @@
+#!/bin/sh
+test -f GarageBard.dmg && rm GarageBard.dmg
+create-dmg \
+  --volname "GarageBard" \
+  --background "installer_background.png" \
+  --window-pos 200 120 \
+  --window-size 800 400 \
+  --icon-size 100 \
+  --icon "GarageBard.app" 212 182 \
+  --hide-extension "GarageBard.app" \
+  --app-drop-link 588 182 \
+  "GarageBard.dmg" \
+  "source_folder/"