feature: add cli implementation to download video.

[yanis-git]

Main behavior have added cli implementation to allow scripting behavior.

Small other changes

• Add Utility helper to validate tiktok cdn url.
• Add custom class Exception for easier catching.
• avoid cleaning ob cache when it is not needed.

Let me know if you want further change.

[ssovit]

Please add different example file for CLI

[yanis-git]

add different example file for

Sure. What you means exactly by different example ? Which other usage you expect from this PL ?