Implement shape queries. (#4155)

Implement shape queries.

Author: codebrain

docs/query-dsl/geo/shape/geo-shape-query-usage.asciidoc renamed to docs/query-dsl/geo/geo-shape/geo-shape-query-usage.asciidoc

@@ -7,7 +7,7 @@
 ////
 IMPORTANT NOTE
 ==============
-This file has been generated from https://github.com/elastic/elasticsearch-net/tree/7.x/src/Tests/Tests/QueryDsl/Geo/Shape/GeoShapeQueryUsageTests.cs. 
+This file has been generated from https://github.com/elastic/elasticsearch-net/tree/feature/7.x/shape-queries/src/Tests/Tests/QueryDsl/Geo/GeoShape/GeoShapeQueryUsageTests.cs. 
 If you wish to submit a PR for any spelling mistakes, typos or grammatical errors for this file,
 please modify the original csharp file found at the link and submit the PR with that change. Thanks!
 ////