Add theme-set/switching logic, and minor nvim, tmux, obsidian changes

src_files/.local/scripts/theme-set

@@ -0,0 +1,34 @@
+#!/bin/zsh
+
+# This script is modeled after Omarchy's omarchy-theme-set script and my theme-switching
+# approach is modeled after Omarchy's theme-switching approach.
+# (See: https://github.com/basecamp/omarchy)
+# Omarchy is licensed under the MIT License. See the original LICENSE file for details at:
+# https://github.com/basecamp/omarchy/blob/master/LICENSE
+# Copyright (c) David Heinemeier Hansson
+
+##########################################################################################
+
+[[ ! -z $1 ]] && raw_target="$1" ||
+    raw_target=$(
+        find $DIR_THEME_SETTINGS -mindepth 1 -maxdepth 1 -type d -exec basename -- {} \; |
+            fzf
+    )
+
+target_theme="$DIR_THEME_SETTINGS/$(echo $raw_target | tr ' ' '-' | tr '[:upper:]' '[:lower:]')"
+[[ ! -d "$target_theme" ]] && echo "theme not found: $target_theme" && exit 1
+
+ln -sF "$target_theme" $DIR_THEME_SETTINGS/.current-theme
+
+theme-update-terminal
+theme-update-tmux
+theme-update-neovim &
+# theme-update-obsidian # TODO: implement
+# theme-update-browser # TODO: implement
+# theme-update-reaper # TODO: implement
+theme-update-system-monitor # TODO: do i actually want this? or just use htop monochrome mode and let it use terminal colors
+# theme-update-gimp # TODO: possible and actually desired? my main use case is just a blackboard, maybe let it be
+# theme-update-mutt # TODO: possible and actually desired?
+# theme-update-irc # TODO: possible and actually desired?
+
+theme-update-wallpaper &