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/waybar/modules/storage.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+mount="/"
+warning=20
+critical=10
+
+df -h -P -l "$mount" | awk -v warning=$warning -v critical=$critical '
+/\/.*/ {
+  text=$5
+  tooltip="Filesystem: "$1"\rSize: "$2"\rUsed: "$3"\rAvail: "$4"\rUse%: "$5"\rMounted on: "$6
+  use=$5
+  exit 0
+}
+END {
+  class=""
+  gsub(/%$/,"",use)
+  if ((100 - use) < critical) {
+    class="critical"
+  } else if ((100 - use) < warning) {
+    class="warning"
+  }
+  print "{\"text\":\""text"\", \"percentage\":"use",\"tooltip\":\""tooltip"\", \"class\":\""class"\"}"
+}
+'