add ignore file.

.gitignore

@@ -0,0 +1,56 @@
+# swap files (usually generated by vim)
+*.swap
+
+# cppcheck scrips and reports
+*cppcheck*
+*cppchk*
+
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Protobuf generated files
+*.pb.h
+*.pb.cc
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables for windows
+*.exe
+
+# usr configurations
+*.usr
+*.user
+*.pro.user.*
+*.orig
+*.autosave
+
+# build directory
+build*/
+
+# libraries
+deploy/
+
+# protobuf source files
+*.pb.h
+*.pb.cc
+
+