- add pathogen.vim (https://github.com/tpope/vim-pathogen)

- add vim-airline (https://github.com/vim-airline/vim-airline)

.vim/bundle/vim-airline/ISSUE_TEMPLATE.md

@@ -0,0 +1,17 @@
+#### environment
+
+- vim: ????
+- vim-airline: ????
+- OS: ????
+if you are using terminal:
+- terminal: ????
+- $TERM variable: ???
+- color configuration (:set t_Co?):
+
+#### actual behavior
+
+????
+
+#### expected behavior
+
+????