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/zed/settings.json

@@ -0,0 +1,30 @@
+// Zed settings
+//
+// For information on how to configure Zed, see the Zed
+// documentation: https://zed.dev/docs/configuring-zed
+//
+// To see all of Zed's default settings without changing your
+// custom settings, run `zed: open default settings` from the
+// command palette (cmd-shift-p / ctrl-shift-p)
+{
+  "title_bar": {
+    "show_sign_in": false
+  },
+  "ui_font_family": "Inter Variable",
+  "buffer_font_family": "Iosevka Term",
+  "vim_mode": false,
+  "disable_ai": true,
+  "telemetry": {
+    "diagnostics": false,
+    "metrics": false
+  },
+  "languages": {
+    "Markdown": {
+      "format_on_save": "on"
+    }
+  },
+  "icon_theme": "Zed (Default)",
+  "ui_font_size": 16,
+  "buffer_font_size": 15,
+  "theme": "Dracula"
+}