James Rodewig d336faa0b0 [DOCS] Reformat trim token filter docs (#51649)
Makes the following changes to the `trim` token filter docs:

* Updates description
* Adds a link to the related Lucene filter
* Adds tip about removing whitespace using tokenizers
* Adds detailed analyze snippets
* Adds custom analyzer snippet
2020-03-02 07:48:23 -05:00
..