Added some more codeigniter 4 snippets to our repo
ci4_affectedRows
ci4_countAll
ci4_db_from
ci4_db_join
ci4_db_whereNotIn
ci4_db_whereNotInSubquery
ci4_getPlatform
ci4_getVersion
ci4_insertID
ci4_lastQuery
Fixed some existing snippets
ci4_email_config
ci4_filter