Transfer XSLT script engine to the community hub

[tasso94]

Acceptance Criteria (Required on creation)

Transfer XSLT script engine to camunda-community-hub/camunda-7-template-engines-jsr223.

Hints

Links

• Follow-up ticket to release org.camunda.community.template.engine:camunda-7-template-engine-xslt:2.2.0

  ### Pull Requests
  - [ ] https://github.com/camunda/camunda-bpm-xslt-ee/pull/5
  - [ ] https://github.com/camunda/camunda-bpm-examples/pull/261
  - [ ] https://github.com/camunda/camunda-docs-manual/pull/1521
  - [ ] https://github.com/camunda/camunda-docs-static/pull/390
  - [ ] https://github.com/camunda/camunda-bpm-platform/pull/3703

  Dev2QA handover

  • [ ] Does this ticket need a QA test and the testing goals are not clear from the description? Add a Dev2QA handover comment

[yanavasileva]

@tasso94, ❓ Do we want to remove the xslt link from the downloads page? It's even outdated: https://github.com/camunda/camunda-docs-static/blob/master/enterprise/content/download.md#additional-information

[tasso94]

@tasso94, ❓ Do we want to remove the xslt link from the downloads page? It's even outdated: https://github.com/camunda/camunda-docs-static/blob/master/enterprise/content/download.md#additional-information

I created another PR for removing the link. Thank you 🙂 👍