Change pagination from 100 -> 10 for hackathon project response

[androolloyd]

fix for infinite scrolling on project directory

Description

Refers/Fixes

Testing

[codecov]

Codecov Report

Merging #6857 into master will not change coverage.
The diff coverage is 25.00%.

@@           Coverage Diff           @@
##           master    #6857   +/-   ##
=======================================
  Coverage   26.49%   26.49%           
=======================================
  Files         298      298           
  Lines       28791    28791           
  Branches     4221     4221           
=======================================
  Hits         7627     7627           
+ Misses      20893    20888    -5     
- Partials      271      276    +5     

Impacted Files	Coverage Δ
app/dashboard/views.py	10.55% <0.00%> (ø)
app/dashboard/router.py	38.69% <100.00%> (ø)
app/quests/views.py	16.22% <0.00%> (ø)
...rketing/management/commands/no_applicants_email.py	0.00% <0.00%> (ø)
...eting/management/commands/assemble_leaderboards.py	39.73% <0.00%> (ø)

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[thelostone-mc]

haven't tested but code lgtm