Adding new stuff

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

@@ -0,0 +1,21 @@
+#### environment
+
+- vim: ????
+- vim-airline: ????
+- OS: ????
+- Have you reproduced with a minimal vimrc: ???
+- What is your airline configuration: ???
+if you are using terminal:
+- terminal: ????
+- $TERM variable: ???
+- color configuration (:set t_Co?):
+if you are using Neovim:
+- does it happen in Vim: ???
+
+#### actual behavior
+
+????
+
+#### expected behavior
+
+????