Add ‘tree-sitter-bash’ as a test to see if tree-sitter works

oni/home/config/rincewind.scm

@@ -28,6 +28,8 @@
                           emacs-notmuch))
   #:use-module ((gnu packages music)
                 #:select (easytag))
+  #:use-module ((gnu packages tree-sitter)
+                #:select (tree-sitter-bash))
   #:use-module ((gnu packages video)
                 #:select (mpv
                           mpv-mpris))
@@ -220,6 +222,7 @@
                  emacs-oni-magit
                  emacs-oni-notmuch
                  emacs-oni-hy
+                 tree-sitter-bash
                  gforth
                  recutils
                  emacs-rec-mode