style: add new file type icons

[United600]

Adds new file type icons and more file associations to the list of supported file types, also includes more localization strings in the manifest resources.
Additionally, it updates the hero screenshots in the repository.

• add ac3 to supported file types
• add ape to supported file types
• add dts to supported file types
• add f4v to supported file types
• add swf to supported file types
• add mxf to supported file types
• add nist to supported file types
• add spx to supported file types
• add ra to supported file types
• add vob to supported file types
• add wm to supported file types
• add wtv to supported file types
• add unique (type) file type icons to partially address Restore File Type Icons! #475
• update the readme with new hero screenshot images