fix (zshrc): add prompt setup to array of precmd_functions

zshrc

@@ -91,7 +91,7 @@ alias less='less --line-numbers'
 alias cdt='builtin cd "$(mktemp -d)"'
 
 # Defines the prompt
-precmd() {
+precmd_define_prompt() {
   vcs_info
 
   # check if vcs_info_msg_0_ is empty to avoid an anoying space in the prompt
@@ -101,6 +101,7 @@ precmd() {
     PS1='%B%K{white}%F{black}%(3~|…/%1~|%~)%k%f %F{green}${vcs_info_msg_0_}%f %%%b '
   fi
 }
+precmd_functions+=precmd_define_prompt
 
 # include reading files from directory
 source "${HOME}"/.zsh/*