runtime(scheme): update runtime files

Add TODO highlighting, disable text-wrapping, add "define-library" to
lispwords on CHICKEN. Update MAINTAINERS.

closes: #15063

Signed-off-by: Evan Hanson <evhan@foldling.org>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/indent/scheme.vim b/runtime/indent/scheme.vim
index 496da32..888659b 100644
--- a/runtime/indent/scheme.vim
+++ b/runtime/indent/scheme.vim
@@ -1,9 +1,10 @@
 " Vim indent file
-" Language: Scheme
-" Last Change: 2018 Jan 31
-" Maintainer: Evan Hanson <evhan@foldling.org>
+" Language:            Scheme
+" Last Change:         2024 Jun 21
+" Maintainer:          Evan Hanson <evhan@foldling.org>
 " Previous Maintainer: Sergey Khorev <sergey.khorev@gmail.com>
-" URL: https://foldling.org/vim/indent/scheme.vim
+" Repository:          https://git.foldling.org/vim-scheme.git
+" URL:                 https://foldling.org/vim/indent/scheme.vim
 
 " Only load this indent file when no other was loaded.
 if exists("b:did_indent")