- gtk-youtube-viewer: added the `hpaned_width` config-option.
- gtk-youtube-viewer: added the `hpaned_width` config-option.

When the right-side search panel gets bellow 200 pixels, this value will be used as a default width of the panel. (https://github.com/trizen/youtube-viewer/issues/156)

trizen/youtube-viewer,trizen/youtube-viewer