Migrate from stow to dm theme manager

Move all config files from .config/ into themes/dracula/.config/ so the
dm tool can manage them as file-level symlinks. Removes .bak file.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

themes/dracula/.config/fish/functions/awww_set_wallpaper.fish

@@ -0,0 +1,13 @@
+function awww_set_wallpaper
+    set wallpaper $argv[1]
+
+    # Start swww daemon if not running
+    if not pgrep awww-daemon > /dev/null
+        awww-daemon &
+        sleep 1
+    end
+
+    # Set wallpaper with animation
+    awww img "$wallpaper" \
+        --transition-type wipe
+    end

themes/dracula/.config/fish/functions/yazi-cd.fish

@@ -0,0 +1,8 @@
+function yazi-cd
+    set tmpfile (mktemp)
+    yazi --cwd-file="$tmpfile"
+    if test -s "$tmpfile"
+        cd (cat "$tmpfile")
+    end
+    rm -f "$tmpfile"
+end