feat(marlowe): initialize Lmod module system for zsh

Zsh on Marlowe doesn't source /etc/profile.d/modules.sh, so the
`module` command is unavailable. Source the Lmod zsh init script
directly so `module load` works out of the box.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: FridrichMethod

marlowe/zsh/.config/zsh/.zshrc

@@ -1,5 +1,8 @@
 #!/bin/zsh
 
+# Initialize Lmod module system for zsh
+source /usr/share/lmod/lmod/init/zsh
+
 # >>> conda initialize >>>
 # !! Contents within this block are managed by 'conda init' !!
 __conda_setup="$('/users/zyli2002/miniconda3/bin/conda' 'shell.zsh' 'hook' 2>/dev/null)"