Add snapshot repository descriptions (#3462)

Author: lcawl

output/openapi/elasticsearch-openapi.json

@@ -392,6 +392,12 @@
       ],
       "response": []
     },
+    "snapshot.clone": {
+      "request": [
+        "Request: query parameter 'timeout' does not exist in the json spec"
+      ],
+      "response": []
+    },
     "snapshot.delete": {
       "request": [
         "Request: missing json spec query parameter 'wait_for_completion'"

output/schema/schema.json

@@ -474,6 +474,17 @@ registered-domain-processor,https://www.elastic.co/guide/en/elasticsearch/refere
 remove-processor,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/remove-processor.html
 remote-clusters-api-key,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/remote-clusters-api-key.html
 rename-processor,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/rename-processor.html
+repository-azure,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/repository-azure.html
+repository-gcs,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/repository-gcs.html
+repository-read-only,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/snapshots-read-only-repository.html
+repository-s3,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/repository-s3.html
+repository-s3-canned-acl,https://docs.aws.amazon.com/AmazonS3/latest/userguide/acl-overview.html#canned-acl
+repository-s3-delete-objects,https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteObjects.html
+repository-s3-list-multipart,https://docs.aws.amazon.com/AmazonS3/latest/API/API_ListMultipartUploads.html
+repository-s3-naming,https://docs.aws.amazon.com/AmazonS3/latest/userguide/BucketRestrictions.html#bucketnamingrules
+repository-s3-storage-classes,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/repository-s3.html#repository-s3-storage-classes
+repository-shared-fs,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/snapshots-filesystem-repository.html
+repository-source-only,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/snapshots-source-only-repository.html
 reroute-processor,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/reroute-processor.html
 render-search-template-api,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/render-search-template-api.html
 reset-transform,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/reset-transform.html
@@ -670,10 +681,13 @@ snapshot-get,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/ge
 snapshot-restore-api,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/restore-snapshot-api.html
 snapshot-status,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/get-snapshot-status-api.html
 snapshot-repo-cleanup,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/clean-up-snapshot-repo-api.html
+snapshot-repo-create,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/put-snapshot-repo-api.html
 snapshot-repo-delete,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/delete-snapshot-repo-api.html
 snapshot-repo-get,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/get-snapshot-repo-api.html
 snapshot-repo-verify,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/verify-snapshot-repo-api.html
 snapshot-repo-verify-integrity,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/verify-repo-integrity-api.html
+snapshot-restore-amend-replacement,https://docs.oracle.com/javase/8/docs/api/java/util/regex/Matcher.html#appendReplacement-java.lang.StringBuffer-java.lang.String-
+snapshot-restore-feature-state,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/snapshot-restore.html#feature-state
 sort-processor,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/sort-processor.html
 sort-search-results,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/sort-search-results.html
 sort-tiebreaker,https://www.elastic.co/guide/en/elasticsearch/reference/{branch}/eql.html#eql-search-specify-a-sort-tiebreaker