adding git ignore for repo

.gitignore

@@ -0,0 +1,48 @@
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+# CMake build files
+**/cmake-build-debug
+**/CMakeCache.txt
+**/cmake_install.cmake
+**/install_manifest.txt
+**/CMakeFiles/
+**/CTestTestfile.cmake
+**/Makefile
+**/*.cbp
+**/CMakeScripts
+**/compile_commands.json
+
+# In source specific files
+version_vars.h
+makeself_help