feat: add tee proof badge

[petarTxFusion]

What ❔

Add TEE proof badge for TEE verified batches

Checklist

Tihs PR fixes: #325

• PR title corresponds to the body of PR (we generate changelog entries from PRs).
• Tests for the changes have been added / updated.
• Documentation comments have been added / updated.

[github-actions]

API E2E Test Results

207 tests   207 ✅  19s ⏱️
 14 suites    0 💤
  1 files      0 ❌

Results for commit f146d41.

♻️ This comment has been updated with latest results.

[github-actions]

Unit Test Results

    4 files    264 suites   12m 9s ⏱️
2 158 tests 2 157 ✅ 1 💤 0 ❌
2 372 runs  2 371 ✅ 1 💤 0 ❌

Results for commit f146d41.

♻️ This comment has been updated with latest results.

[github-actions]

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