Update the plugins managment. Add the function 'omz-plugin' (inspired from bash-it)

plugins/available/profiles/profiles.plugin.zsh

@@ -0,0 +1,12 @@
+# You will probably want to list this plugin as the first in your .zshrc.
+
+# This will look for a custom profile for the local machine and each domain or
+# subdomain it belongs to. (e.g. com, example.com and foo.example.com)
+parts=(${(s:.:)HOST})
+for i in {${#parts}..1}; do
+  profile=${(j:.:)${parts[$i,${#parts}]}}
+  file=$ZSH_CUSTOM/profiles/$profile
+  if [ -f $file ]; then
+    source $file
+  fi
+done