Add .gitignore

.gitignore

@@ -0,0 +1,15 @@
+# Don't track content of these folders
+.idea/*
+target/*
+
+# Compiled source #
+###################
+*.class
+
+# Packages #
+############
+# it's better to unpack these files and commit the raw source
+# git has its own built in compression methods
+#*.7z
+#*.dmg
+*.jar