.gitignore - Ignore more build files

Change-Id: I5b5207e65cc3fd6537800db388da142c0e76c3ff
Signed-off-by: Galantsev, Dmitrii <dmitrii.galantsev@amd.com>

.gitignore

@@ -1,8 +1,19 @@
-# documentation artifacts
+# build artifacts
+.cache/
 build/
+DEBIAN/postinst
+DEBIAN/prerm
+RPM/
+include/rdc/rdc64Config.h
+
+# documentation artifacts
 _build/
 _images/
 _static/
 _templates/
 _toc.yml
 docBin/
+docs/_doxygen/
+
+# VisualStudioCode
+.vscode/