Initial TeaVM

[koppor]

Tries out to use TeaVM

Refs https://github.com/JabRef/jabref-issue-melting-pot/issues/1010

Aim: Have the library (or even CLI) part of JabRef (JabLib / JabKit) available as JavaScript for easier use in the browser. Maybe together with texlyre.

Steps to test

Mandatory checks

• I own the copyright of the code submitted and I license it under the MIT license
• [/] Change in CHANGELOG.md described in a way that is understandable for the average user (if change is visible to the user)
• [/] Tests created for changes (if applicable)
• [/] Manually tested changed features in running JabRef (always required)
• [/] Screenshots added in PR description (if change is visible to the user)
• [/] Checked developer's documentation: Is the information available and up to date? If not, I outlined it in this pull request.
• [/] Checked documentation: Is the information available and up to date? If not, I created an issue at https://github.com/JabRef/user-documentation/issues or, even better, I submitted a pull request to the documentation repository.

[koppor]

General "solution" to the issue described at gradle/gradle#34845

[koppor]

Currently blocked by konsoletyper/teavm#1069