engine tests

Workflow runs for engine tests

• Docs: add badge block and expected engine-test output

  completed successfully:
  engine tests#9:Commit34f0265pushedbyORDNET
  main

  Aug 14, 202615s
  More actions for workflow run 9

• Docs: add the 2.7.1 changelog

  completed successfully:
  engine tests#8:Commit8551f3dpushedbyORDNET
  main

  Aug 13, 202618s
  More actions for workflow run 8

• Delete SECURITY-FIXES-2026-08-13.md

  completed successfully:
  engine tests#7:Commit2f95a23pushedbyORDNET
  main

  Aug 13, 202615s
  More actions for workflow run 7

• Delete ORDnet_WEB3_Browser.html

  completed successfully:
  engine tests#6:Commitb5fdc25pushedbyORDNET
  main

  Aug 13, 202614s
  More actions for workflow run 6

• Delete tools directory

  completed successfully:
  engine tests#5:Commit170e687pushedbyORDNET
  main

  Aug 13, 202619s
  More actions for workflow run 5

• Delete tests directory

  completed successfully:
  engine tests#4:Commit9d362ecpushedbyORDNET
  main

  Aug 13, 202623s
  More actions for workflow run 4

• Security release v2.7.1

  completed successfully:
  engine tests#3:Commit31d8b16pushedbyORDNET
  main

  Aug 13, 202620s
  More actions for workflow run 3

• Security release

  completed successfully:
  engine tests#2:Commit8566097pushedbyORDNET
  main

  Aug 13, 202614s
  More actions for workflow run 2

• Create test.yml

  completed successfully:
  engine tests#1:Commit804fa80pushedbyORDNET
  main

  Aug 13, 202614s
  More actions for workflow run 1