chore(shell): shell env and path tweaks

base/zshenv

@@ -0,0 +1,18 @@
+# shellcheck shell=bash
+# vim: filetype=zsh
+
+export PATH="$HOME/.local/bin:$HOME/.dotfiles/local/bin:$HOME/.local/go/bin:$PATH"
+
+export DOTFILES="$HOME/.dotfiles"
+
+# Explicitly set XDG folders
+# https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
+export XDG_CONFIG_HOME="$HOME/.config"
+export XDG_DATA_HOME="$HOME/.local/share"
+export XDG_STATE_HOME="$HOME/.local/state"
+
+# custom variables
+export XDG_BIN_HOME="$HOME/.local/bin"
+export XDG_CACHE_HOME="$HOME/.cache"
+export XDG_RUNTIME_DIR="$HOME/.local/run"
+