Feature/style

[prithvijitguha]

• Fixes ENH: Loading progress bar for upload #198
• DESIGN: Design Front End  #120
• UI: Improve Homepage Video display design #101
• tests passed
• Ensure all linting tests/pre-commit pass, see here for how to run them.
• Added progress bar for upload
• Improved grid of index.html

[codecov-commenter]

Codecov Report

Merging #199 (2f9f9c7) into master (e1381a6) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #199      +/-   ##
==========================================
- Coverage   86.06%   86.04%   -0.02%     
==========================================
  Files          10       10              
  Lines         653      645       -8     
==========================================
- Hits          562      555       -7     
+ Misses         91       90       -1     

Impacted Files	Coverage Δ
main.py	75.67% <ø> (-0.42%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e1381a6...2f9f9c7. Read the comment docs.