runtime(mojo): include mojo ftplugin and indent script

Taken from excerpts of the Python ftplugin and adapted,
indent script simply sources the python indent script.

closes: #15171

Signed-off-by: Riley Bruins <ribru17@hotmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/indent/mojo.vim b/runtime/indent/mojo.vim
new file mode 100644
index 0000000..9b6a7d4
--- /dev/null
+++ b/runtime/indent/mojo.vim
@@ -0,0 +1,6 @@
+" Vim indent file
+" Language:	Mojo
+" Maintainer:	Riley Bruins <ribru17@gmail.com>
+" Last Change:	2024 Jul 07
+
+runtime! indent/python.vim