refactor(ramp): add routes folder

[wachunei]

Description

This PR adds a routes folder inside Ramp experience folder. Related to this channel and effort :https://consensys.slack.com/archives/C062YJBAAEA/p1706108478487099

Related issues

Fixes:

Manual testing steps

Navigating to Ramp experiences must have no impact.

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I’ve followed MetaMask Coding Standards.
• I've clearly explained what problem this PR is solving and how it is solved.
• I've linked related issues
• I've included manual testing steps
• I've included screenshots/recordings if applicable
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.
• I’ve properly set the pull request status:
  • In case it's not yet "ready for review", I've set it to "draft".
  • In case it's "ready for review", I've changed it from "draft" to "non-draft".

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

E2E test started on Bitrise: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/c5197b52-eb6d-480a-9cb8-5e1ab237d448
You can also kick off another Bitrise E2E smoke test by removing and re-applying the (Run Smoke E2E) label

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[Cal-L]

LGTM

[codecov-commenter]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (4dd9073) 40.62% compared to head (b36efe4) 40.62%.

Files	Patch %	Lines
app/components/Nav/Main/MainNavigator.js	0.00%	2 Missing ⚠️
app/components/UI/Ramp/routes/index.tsx	66.66%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8457   +/-   ##
=======================================
  Coverage   40.62%   40.62%           
=======================================
  Files        1239     1240    +1     
  Lines       29989    29989           
  Branches     2870     2870           
=======================================
  Hits        12182    12182           
  Misses      17109    17109           
  Partials      698      698           

☔ View full report in Codecov by Sentry.
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[sonarcloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
40.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[bkirb]

@wachunei LGTM I finished verifying ✅