Adds new build files

Author: davidbruce

build-linux.hxml

@@ -0,0 +1,9 @@
+-main skija.Main
+-lib haxe-swt
+-lib haxe-skija
+-lib jasper
+-D linux
+--jvm output/linux/Main.jar
+# --java output/linux
+-cmd java -XX:+CompactStrings --module-path "output/linux/lib" -jar output/linux/Main.jar
+

build-windows.hxml

@@ -0,0 +1,11 @@
+-main skija.Main
+-lib haxe-swt
+-lib haxe-skija
+-lib jasper
+-D windows
+#-D osx
+#-D linux
+--jvm output/windows/Main.jar
+# --java output
+-cmd java.exe -XX:+CompactStrings --module-path "output/windows/lib" -jar output/windows/Main.jar
+