Phonetic token filter

Changes token text to phonetic equivalences as defined by the phonetic-normalizer crate. For example, you can use the phonetic filter to change Kaythrn to Catherine.

Add to an analyzer

phonetic can be added to any analyzer as a filter.

JSON

"analyzer": {
  "phonetic_analyzer": {
    "type": "custom",
    "tokenizer": "standard",
    "filter": ["phonetic"]
  }
}