Add scons ftdetect script

vim/ftdetect/scons.vim

@@ -0,0 +1,16 @@
+" Vim filetype plugin file
+" Language:	SCons files
+" Maintainer:	Eryn Wells <eryn@erynwells.me>
+" Version: 0.1
+
+" Only do this when not done yet for this buffer
+if exists("b:did_scons_ftplugin")
+   finish
+endif
+" Don't load another plug-in for this buffer
+let b:did_scons_ftplugin = 1
+
+augroup filetype_scons
+   autocmd!
+   autocmd BufNewFile,BufRead SCons{truct,cript} set ft=python
+augroup END