MINIFI-141 ignore build, bin, target, *.o, and *.a files in project

This closes #25.

Signed-off-by: Aldrin Piri <aldrin@apache.org>
diff --git a/.gitignore b/.gitignore
index 69c2234..79bb768 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,8 @@
 cmake_install.cmake
 install_manifest.txt
 CTestTestfile.cmake
+build
+bin
+target
+thirdparty/**/*.o
+thirdparty/**/*.a
\ No newline at end of file