treewide: add 'shellcheck shell' directives

I used 'bash' for zsh files, since that's the closest and `shell=zsh` is not supported [1]. [1]: https://github.com/koalaman/shellcheck/issues/809
2023-08-31 10:41:17 +00:00 · 2023-08-31 10:41:17 +00:00 · 861136c475
commit 861136c475
parent 13769429f6
4 changed files with 6 additions and 0 deletions
--- a/home/zsh/extra-mappings.zsh
+++ b/home/zsh/extra-mappings.zsh
@ -1,3 +1,4 @@
+# shellcheck shell=bash
 # shellcheck disable=2154

 # Fix Ctrl+u killing from the cursor instead of the whole line