update .gitignore for go

.gitignore

@@ -1,21 +1,22 @@
-# Object files
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
 *.o
-
-# Libraries
-*.lib
 *.a
-
-# Shared objects (inc. Windows DLLs)
-*.dll
 *.so
-*.so.*
-*.dylib
 
-# Executables
-*.exe
-*.out
-*.app
+# Folders
+_obj
+_test
 
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
 
-ferrite
-*.pyc
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe