Add support for component template APIs (opensearch-project#411)

* Generate `cluster.put_component_template`

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Implement high-level DeleteComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Implement high-level ComponentTemplateExists

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Fix license

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Remove old put_component_template

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Implement high-level GetComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add tests for ComponentTemplateExists

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add tests for DeleteComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add tests for GetComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Implement high-level PutComponentTemplate

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add component template CRUD tests

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add naming convention exception for ComponentTemplateExists

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Update guide

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* Formatting

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Add changelog entry

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Fix license header

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Fix namespaces

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

* Fix license header

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

---------

Signed-off-by: Thomas Farr <tsfarr@amazon.com>

src/ApiGenerator/Configuration/CodeConfiguration.cs

@@ -43,14 +43,13 @@ public static class CodeConfiguration
 			new("{delete,get}_all_pits"),
 
 			new("cluster.allocation_explain"),
-			new("cluster.delete_component_template"),
 			new("cluster.delete_voting_config_exclusions"),
-			new("cluster.exists_component_template"),
-			new("cluster.get_component_template"),
 			new("cluster.get_settings"),
 			new("cluster.health"),
 			new("cluster.pending_tasks"),
 
+			new("cluster.*_component_template"),
+
 			new("dangling_indices.*"),
 			new("ingest.*"),
             new("nodes.*"),