homepage fixes

[thelostone-mc]

Description

• Update title + meta as discussed with mark
• cleaned up the homepage why we built gitcoin section
• made the video as a modal as opposed to opening it up in new tab

[codecov]

Codecov Report

Merging #3962 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3962   +/-   ##
=======================================
  Coverage   30.01%   30.01%           
=======================================
  Files         205      205           
  Lines       15951    15951           
  Branches     2108     2108           
=======================================
  Hits         4787     4787           
  Misses      10992    10992           
  Partials      172      172

Impacted Files	Coverage Δ
app/retail/views.py	29.79% <ø> (ø)	⬆️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #3962 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3962   +/-   ##
=======================================
  Coverage   30.01%   30.01%           
=======================================
  Files         205      205           
  Lines       15951    15951           
  Branches     2108     2108           
=======================================
  Hits         4787     4787           
  Misses      10992    10992           
  Partials      172      172

Impacted Files	Coverage Δ
app/retail/views.py	29.79% <ø> (ø)	⬆️

---

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 484d19d...601b9b1. Read the comment docs.