Use Nginx filetype for Angie files.

init.vim

@@ -110,8 +110,6 @@ highlight NonText guibg=none
 highlight Normal ctermbg=none
 highlight NonText ctermbg=none
 
-""" Project-Specific Settings
-
 set cino+=(0
 set cino+=:0
 set cino+=l1
@@ -135,6 +133,12 @@ nmap <S-K> :tabp<CR>
 " Rust
 let g:rust_recommended_style = 0   " disable retarded option
 
+" Angie config files
+augroup angie_config
+  autocmd!
+  autocmd BufRead,BufNewFile /etc/angie/**/.conf,angie.conf set filetype=nginx
+augroup END
+
 """ plugin settings
 " airline
 let g:airline#extensions#tabline#enabled = 1   " enable tabline