Improve and Expand Skeletons in Hangar

[xMrAfonso]

Is your feature request related to a problem?

Yes, the current skeletons in Hangar lack consistency in design (e.g., round corners and alignment) and are not used uniformly across all sections, like in versions. This leads to a less cohesive user experience during content loading.

Describe the solution you'd like.

• Improve Existing Skeletons: Refine the current skeletons for better design, alignment, and consistency, focusing on round corners.
• Expand Skeleton Usage: Implement skeletons in areas where they are missing, such as the versions section, for a more uniform loading experience.
• Ensure Consistency: Standardize all skeletons across Hangar to ensure they align with the overall design and are consistent in appearance.

Describe alternatives you've considered.

NaN

Other

(I totally didn't ask ChatGPT to write this issue 👀 )