Fix various spelling errors (thanks codespell) Also special thanks to timeless, for wordlessly reminding me to check for typos.

author: Kim Alvefur <zash@zash.se>
date: Tue, 27 Jul 2021 00:13:18 +0200
parent: 11000:d9aae4734f38
child: 12387:05c250fa335a
--- a/doc/coding_style.md	Sun Jul 25 18:58:25 2021 +0200
+++ b/doc/coding_style.md	Tue Jul 27 00:13:18 2021 +0200
@@ -767,7 +767,7 @@
 ## Static checking
 
 All code should pass [luacheck](https://github.com/mpeterv/luacheck) using
-the `.luacheckrc` provided in the Prosody repository, and using miminal
+the `.luacheckrc` provided in the Prosody repository, and using minimal
 inline exceptions.
 
 * luacheck warnings of class 211, 212, 213 (unused variable, argument or loop