Hackaton - Add a few go autofix rules

[malomarrec]

• replace-to-replaceAll
• combine-functions-parameters
• remove expensive string comparisons (also see @rvantonder 's blog post)
• use Strings.contains where possible

Note to readers: don't forget to turn server-side execution on when viewing those ☝️

{
  // add settings here (Ctrl+Space to see hints)
    "experimentalFeatures": {
      "batchChangesExecution": true
    },
}