Add Rollux

[fernando-syslabs]

Add New Chain 570

The PR includes Rollux Testnet and removes a duplicated entry for Syscoin Tanenbaum.

Checklist

• The branch is named as add-chain-<chainId>.
• I haven't modified the chains.json file directly.
• In sourcify-chains.ts file
  • I've set supported: true.
  • I've set monitored: false.
  • I haven't added an rpc field but the one in chains.json is used (if not, please explain why).
• I've added a test in chain-tests.js file.
• test-new-chain test in Circle CI is passing.

_{View in Huly HI-664}

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: -7.61 ⚠️

Comparison is base (941886b) 79.59% compared to head (886fb35) 71.98%.

Additional details and impacted files

@@             Coverage Diff             @@
##           staging    #1076      +/-   ##
===========================================
- Coverage    79.59%   71.98%   -7.61%     
===========================================
  Files           55       64       +9     
  Lines         1519     2342     +823     
  Branches       267      434     +167     
===========================================
+ Hits          1209     1686     +477     
- Misses         179      447     +268     
- Partials       131      209      +78     

Flag	Coverage Δ
lib-sourcify	66.34% <ø> (?)
server	75.04% <ø> (-4.55%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/sourcify-chains.ts	84.31% <ø> (ø)

... and 16 files with indirect coverage changes

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[kuzdogan]

Normally these should be two separate PRs but I've verified it works manually.