Add sharp library to Next.js build

[cfofiu]

Description

Checking for /app dir and nextImage to add the sharp library to the Next.js build.

Scenarios Tested

In order to add the sharp library the code is looking for two things:

• if the new routes /app folder exists
• if isNextImageImported is set to true in .next/export-marker.json

Sample Commands

[codecov-commenter]

Codecov Report

Base: 56.21% // Head: 56.21% // Decreases project coverage by -0.00% ⚠️

Coverage data is based on head (629773e) compared to base (0a7b583).
Patch coverage: 54.54% of modified lines in pull request are covered.

Additional details and impacted files

@@                           Coverage Diff                            @@
##           jamesdaniels_skip_middleware_matches    #5238      +/-   ##
========================================================================
- Coverage                                 56.21%   56.21%   -0.01%     
========================================================================
  Files                                       308      309       +1     
  Lines                                     20808    20819      +11     
  Branches                                   4224     4226       +2     
========================================================================
+ Hits                                      11697    11703       +6     
- Misses                                     8102     8107       +5     
  Partials                                   1009     1009              

Impacted Files	Coverage Δ
src/frameworks/next/index.ts	12.99% <33.33%> (+0.35%)	⬆️
src/frameworks/next/utils.ts	62.50% <62.50%> (ø)

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[jamesdaniels]

Add changelog entry