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/youtube-tui/keybindings.yml

@@ -0,0 +1,52 @@
+Up:
+  0: MoveUp
+  2: PreviousEntry
+':':
+  0: StartCommandCapture
+Right:
+  0: MoveRight
+  2: NextWord
+Enter:
+  0: Select
+F5:
+  0: Reload
+Esc:
+  0: Deselect
+'j':
+  0: MoveDown
+'r':
+  2: Reload
+'d':
+  0: ClearHistory
+  4: RemoveWord
+'u':
+  2: ClearLine
+'e':
+  2: End
+Left:
+  2: PreviousWord
+  0: MoveLeft
+  4: Back
+'q':
+  0: Exit
+Down:
+  0: MoveDown
+  2: NextEntry
+'k':
+  0: MoveUp
+'v':
+  2: Paste
+Backspace:
+  0: Back
+'l':
+  0: MoveRight
+Home:
+  0: FirstHistory
+End:
+  0: ClearHistory
+'h':
+  0: MoveLeft
+'w':
+  2: RemoveWord
+'a':
+  2: First