Update runtime files

runtime/ftplugin/fennel.vim

@@ -0,0 +1,18 @@
+" Vim filetype plugin file
+" Language:     Fennel
+" Maintainer:   Gregory Anders <greg[NOSPAM]@gpanders.com>
+" Last Update:  2022 Apr 20
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal commentstring=;%s
+setlocal comments=:;;,:;
+setlocal formatoptions-=t
+setlocal suffixesadd=.fnl
+setlocal lisp
+setlocal lispwords=accumulate,collect,do,doto,each,eval-compiler,fn,for,icollect,lambda,let,macro,macros,match,match-try,when,while,with-open
+
+let b:undo_ftplugin = 'setlocal commentstring< comments< formatoptions< suffixesadd< lisp< lispwords<'