(docs) Update documentation to reflect new query service

code/readme.md

@@ -14,7 +14,7 @@ A map of the most important components and how they relate can be found below.
 
 ### Services
 * [core services](services-core/) "macroservices", stateful, memory hungry doing heavy lifting.
-* * [control-service](services-core/control-service)
+* * [control](services-core/control-service)
 * * [query](services-core/query-service)
 * * [index](services-core/index-service)
 * * [assistant](services-core/assistant-service)

code/services-core/query-service/readme.md

@@ -0,0 +1,15 @@
+The query service parses search queries and delegates work to the index service.
+
+The [index-service](../index-service) speaks a lower level query specification language
+that is difficult to build an application out of.  The query service exists as an interpreter
+to that format.
+
+## Main Classes
+
+* [QueryService](src/main/java/nu/marginalia/query/QueryService.java)
+
+## See Also
+
+* [api/query-api](../../api/query-api)
+* [features-search/query-parser](../../features-search/query-parser)
+* [features-index/index-query](../../features-index/index-query)