Update runtime files
diff --git a/runtime/compiler/hare.vim b/runtime/compiler/hare.vim
new file mode 100644
index 0000000..c0fa68c
--- /dev/null
+++ b/runtime/compiler/hare.vim
@@ -0,0 +1,31 @@
+" Vim compiler file
+" Compiler: Hare Compiler
+" Maintainer: Amelia Clarke <me@rsaihe.dev>
+" Last Change: 2022-09-21
+
+if exists("g:current_compiler")
+  finish
+endif
+let g:current_compiler = "hare"
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+if exists(':CompilerSet') != 2
+  command -nargs=* CompilerSet setlocal <args>
+endif
+
+if filereadable("Makefile") || filereadable("makefile")
+  CompilerSet makeprg=make
+else
+  CompilerSet makeprg=hare\ build
+endif
+
+CompilerSet errorformat=
+  \Error\ %f:%l:%c:\ %m,
+  \Syntax\ error:\ %.%#\ at\ %f:%l:%c\\,\ %m,
+  \%-G%.%#
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+" vim: tabstop=2 shiftwidth=2 expandtab