Docs: Adding Hebrew analyzer

Closes elastic#6306

Author: synhershko

docs/reference/modules/plugins.asciidoc

@@ -178,6 +178,7 @@ You can disable that check using `plugins.check_lucene: false`.
 * https://github.com/medcl/elasticsearch-analysis-mmseg[Mmseg Analysis Plugin] (by Medcl)
 * https://github.com/chytreg/elasticsearch-analysis-morfologik[Morfologik (Polish) Analysis plugin] (by chytreg)
 * https://github.com/imotov/elasticsearch-analysis-morphology[Russian and English Morphological Analysis Plugin] (by Igor Motov)
+* https://github.com/synhershko/elasticsearch-analysis-hebrew[Hebrew Analysis Plugin] (by Itamar Syn-Hershko)
 * https://github.com/medcl/elasticsearch-analysis-pinyin[Pinyin Analysis Plugin] (by Medcl)
 * https://github.com/medcl/elasticsearch-analysis-string2int[String2Integer Analysis Plugin] (by Medcl)