Search engine. Full-text searching.

[swillisart]

Full-text search with Postgres resources:

• https://www.postgresql.eu/events/pgconfeu2018/sessions/session/2116/slides/137/pgconf.eu-2018-fts.pdf
• https://stackoverflow.com/questions/12933805/best-way-to-use-postgresql-full-text-search-ranking
• https://stackoverflow.com/questions/58812324/postgresqlfull-text-search-vs-elasticsearch