feat: added BTC variant to ramps-card and illustration image

[k-g-j]

Description

Updates the Ramps banners for BTC accounts.

Added

• BTC to RAMPS_CARD_VARIANT_TYPES with illustractionSrc, gradient, title, and body in the RAMPS_CARD_VARIANTS
• BTC illustration to app/images
• BtcBanner to RampsMetaMaskEntry enum

Related issues

Fixes: https://github.com/MetaMask/accounts-planning/issues/496

Manual testing steps

N/A
@georgeweiler is working on subsequent PR to include BTC in the list of buyable tokens, which will render the new banner in that flow.

Screenshots/Recordings

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• 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.

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]

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.

[metamaskbot]

Builds ready [ba02869]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (476 ± 345 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	70	400	126	72	35
		domContentLoaded	10	97	30	20	10
		load	57	2190	476	719	345
		domInteractive	10	97	30	20	10

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 323 Bytes (0.00%)
• common: 0 Bytes (0.00%)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.60%. Comparing base (548b54a) to head (9102b0e).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #25615   +/-   ##
========================================
  Coverage    69.60%   69.60%           
========================================
  Files         1364     1364           
  Lines        48173    48173           
  Branches     13291    13291           
========================================
  Hits         33527    33527           
  Misses       14646    14646           

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud