[Docs] Add community analysis plugin (#29612)

Author: ZarHenry96

docs/plugins/analysis.asciidoc

@@ -53,6 +53,7 @@ A number of analysis plugins have been contributed by our community:
 * https://github.com/duydo/elasticsearch-analysis-vietnamese[Vietnamese Analysis Plugin] (by Duy Do)
 * https://github.com/ofir123/elasticsearch-network-analysis[Network Addresses Analysis Plugin] (by Ofir123)
 * https://github.com/medcl/elasticsearch-analysis-string2int[String2Integer Analysis Plugin] (by Medcl)
+* https://github.com/ZarHenry96/elasticsearch-dandelion-plugin[Dandelion Analysis Plugin] (by ZarHenry96)
 
 include::analysis-icu.asciidoc[]