style: split kube_ps1 function from precmd

.config/nvim/pack/plugins/opt/treesitter

@@ -1 +1 @@
-Subproject commit ae0317d78a9f6fad78870d6645b60528e13ae6fa
+Subproject commit eadfcad580edc74b258dc1380f1e3edea35cc6d4

.config/zsh/custom/themes/simpletheme.zsh-theme

@@ -13,8 +13,9 @@ _update_KUBE_PS1() {
     KUBE_PS1_NS="$(kubectl config view --minify -o jsonpath='{..namespace}')"
 }
 
-precmd() {
+kube_ps1() {
     _update_KUBE_PS1
+
     local ctx="$KUBE_PS1_CTX"
     local ns="$KUBE_PS1_NS"
     local symbol='\u2388 '
@@ -28,6 +29,10 @@ precmd() {
     echo "$bg$symbol$ctx$sep$ns$end$reset"
 }
 
+precmd() {
+    kube_ps1
+}
+
 PROMPT='%(?::%{$fg_bold[red]%}%? )%{$fg_bold[cyan]%}%~%{$reset_color%} $(git_prompt_info)'
 
 ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[blue]%}(%{$fg[red]%}"