Add 'shellcheck=bash' and editor hints to bash config/aliases

.bash_aliases/all

@@ -1,3 +1,4 @@
+# shellcheck shell=bash
 # vim: set ft=bash :
 
 # Alias aliases

.bash_aliases/dualboot

@@ -1,3 +1,4 @@
+# shellcheck shell=bash
 # vim: set ft=bash :
 
 reboot-to-windows ()

.bash_aliases/hosts/flex-arch

@@ -1,3 +1,4 @@
+# shellcheck shell=bash
 # vim: set ft=bash :
 
 source "$HOME/.bash_aliases/dualboot"

.bashrc.d/editor

@@ -1,3 +1,4 @@
+# shellcheck shell=bash
 # vim: set ft=bash :
 
 # Set NeoVim as default editor

.bashrc.d/hosts/flex-arch

@@ -1,4 +1,5 @@
-# Laptop configuration
+# shellcheck shell=bash
+# vim: set ft=bash :
 
 # >>> mamba initialize >>>
 # !! Contents within this block are managed by 'mamba init' !!

.bashrc.d/prompt

@@ -1,4 +1,6 @@
+# shellcheck shell=bash
 # vim: set ft=bash :
+
 get_branch_name() {
   git symbolic-ref --quiet --short HEAD 2>/dev/null \
     || git rev-parse --short HEAD 2>/dev/null \