Load local config before starting tmux

makes custom tmux installs possible, also attach session if possible
instead of recreateing everytime

zshrc

@@ -1,12 +1,12 @@
-# instantaneously start tmux, if available
-if command -v tmux>/dev/null; then
-  [[ ! $TERM =~ screen ]] && [ -z $TMUX ] && exec tmux
-fi
-
 # Device-specifig setup (ignored by git)
 # source local config first to overwrite default theme if wanted
 source ~/.zsh_local
 
+# instantaneously start tmux, if available
+if command -v tmux>/dev/null; then
+  [[ ! $TERM =~ screen ]] && [ -z $TMUX ] && exec tmux new-session -A -s main
+fi
+
 # Source Prezto.
 if [[ -s "${ZDOTDIR:-$HOME}/.zprezto/init.zsh" ]]; then
   source "${ZDOTDIR:-$HOME}/.zprezto/init.zsh"