chore: Add Applitools logo to the docs homepage

[geido]

SUMMARY

Adds the Applitools logo and URL in the docs homepage

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

1. Open the docs
2. Make sure the Applitools logo is showing at the bottom
3. Make sure it works well in different screen sizes

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[rusackas]

@kasiazjc looks good to me if it looks good to you (and any other concerned designers)

[codecov]

Codecov Report

Merging #20917 (89dbb37) into master (90460f1) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #20917   +/-   ##
=======================================
  Coverage   66.31%   66.31%           
=======================================
  Files        1758     1758           
  Lines       67008    67008           
  Branches     7107     7107           
=======================================
  Hits        44437    44437           
  Misses      20749    20749           
  Partials     1822     1822           

Flag	Coverage Δ
hive	53.25% <ø> (ø)
javascript	52.00% <ø> (ø)
mysql	81.00% <ø> (ø)
postgres	81.07% <ø> (ø)
presto	53.15% <ø> (ø)
python	81.55% <ø> (ø)
sqlite	79.67% <ø> (ø)
unit	50.25% <ø> (ø)

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