add gitignore

Author: coderbruis

.gitignore

@@ -0,0 +1,18 @@
+# idea
+.idea
+
+# iml
+JdkLearn/learnjava.iml
+JdkLearn/JdkLearn.iml
+Spring-Boot/learnsb.iml
+Spring-Boot/Spring-Boot.iml
+Spring/learnspring.iml
+Spring/Spring.iml
+Spring-AOP/learnaop.iml
+Spring-AOP/Spring-AOP.iml
+
+# target
+JdkLearn/target
+Spring/target
+Spring-AOP/target
+Spring-Boot/target