Modular Vim config.

- Set filetype to unix by default.
- Use the filetype plugin to have per-filetype configuration.
- Use 2 spaces for YAML and Terraform files.
- Move Python configuration from .vimrc to filetype plugin.

.vim/after/ftplugin/python.vim

+setlocal smartindent
+setlocal cinwords=if,elif,else,for,while,try,except,finally,def,class
+setlocal nocindent

.vim/after/ftplugin/tf.vim

+setlocal tabstop=2
+setlocal softtabstop=2
+setlocal shiftwidth=2

.vim/after/ftplugin/yaml.vim

+setlocal tabstop=2
+setlocal softtabstop=2
+setlocal shiftwidth=2

.vimrc

-"autocmd BufRead *.py set smartindent cinwords=if,elif,else,for,while,try,except,finally,def,class
-"autocmd BufRead *.py set nocindent
-"autocmd BufWritePre *.py normal m`:%s/\s\+$//e ``
 filetype plugin indent on
 setlocal tabstop=4
 setlocal softtabstop=4
@@ -12,3 +9,4 @@ setlocal incsearch
 syntax on
 setlocal modeline
 set viminfo='20,<9999,s1024,h
+setlocal fileformat=unix