Update .gitignore

Use this to avoid commits of unintended/developer specific files that are not required for replication.

 Note: This is not my submission for the application objective.

.gitignore

@@ -1,3 +1,25 @@
+#IntelliJ
+*iml
+.idea_modules/
+.idea
+out/
+
+
+#Build Files
+.attach_pid*
+
+
+#Scala
 *.class
 *.log
-.idea/
+
+#Maven
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties