Alpha Release 0.0.5

Change log combined with thanks:

• Thanks to @Muqtxdir for the many assets depending on the dock position and height
• Thanks to @YoussefLasheen for adding the BingWallpaper feature in the wallpaper page
• Thanks to @mivoligo for introducing the null checking and disabling/enabling the UI depending on the result
• Thanks to @Jupi007 for improvements to the powerpage and the linear progress indicator styling
• Thanks to @jpnurmi for general consulting
• updated the appearance page to use assets but do not to waste too much space thanks to a new selectable svg image widget
• the keyboard page is re-redesigned and now includes a YaruTabbedPage for settings and shortcuts and enables users to change their keyboard input