More fully support zsh

Support zshrc, variables, aliases, functions

TODO: incorporate dumping_grounds.zsh into functions.

configs/shared/zsh/.zshrc

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+source ~/antigen.zsh
+
+# Load the oh-my-zsh library
+antigen use oh-my-zsh
+
+# Bundles from robbyrussell's oh-my-zsh repo.
+antigen bundle git
+antigen bundle alias-tips      # friendly reminders to prefer an alias if exists
+# antigen bundle common-aliases  # be careful with the load order here. Can easily eclipse aliases undesirably
+antigen bundle extract         # extracts archives polymorphically
+antigen bundle zsh-completions # extracts archives polymorphically
+
+# Syntax highlighting
+antigen bundle zsh-users/zsh-syntax-highlighting
+
+# Theming
+antigen theme robbyrussell
+
+# Leave this last
+antigen apply
+
+# Personal Configuration
+
+# Set environment variables for Nix
+source /usr/local/google/home/wpcarro/.nix-profile/etc/profile.d/nix.sh
+
+# Configure fzf
+source "$(fzf-share)/key-bindings.zsh"
+
+# Configure fasd
+eval "$(fasd --init auto)"
+
+# use full path instead of $DOTFILES, since DOTFILES is set herein
+DOTFILES="$HOME/programming/dotfiles"
+source "$DOTFILES/configs/shared/zsh/variables.zsh"
+source "$DOTFILES/configs/shared/zsh/aliases.zsh"
+source "$DOTFILES/configs/shared/zsh/functions.zsh"
+source "$DOTFILES/configs/shared/zsh/dumping_grounds.zsh"