Add API document for share type quota

Add API document for share type quota [1].
[1] https://review.openstack.org/#/c/452158/

Change-Id: I8473428c2eb363cf5a76c672c7fdea72f21e4f63

api-ref/source/parameters.yaml

@@ -92,6 +92,15 @@ share_server_id_1:
   in: path
   required: true
   type: string
+share_type_for_quota:
+  description: |
+    The name or UUID of the share type. If you specify this
+    parameter in the URI, you show, update, or delete quotas
+    for this share type.
+  in: path
+  required: false
+  type: string
+  min_version: 2.39
 share_type_id:
   description: |
     The UUID of the share type.
@@ -2302,18 +2311,24 @@ quota_share_groups_request:
   type: integer
 quota_share_networks:
   description: |
-    The number of share networks allowed for each
-    tenant.
+    The number of share networks allowed for user and project,
+    but not share type.
+  in: body
+  required: false
+  type: integer
+quota_share_networks_default:
+  description: |
+    The number of share networks allowed for each tenant.
   in: body
   required: true
   type: integer
 quota_share_networks_detail:
   description: |
     The limit, in_use, reserved number of share networks
-    allowed for each tenant.
+    allowed for user and project, but not share type.
   in: body
   min_version: 2.25
-  required: true
+  required: false
   type: object
 quota_share_networks_request:
   description: |

api-ref/source/quota-sets.inc

@@ -11,7 +11,16 @@ Provides quotas management support.
     For API versions 2.6 and prior, replace ``quota-sets`` in the URLs with
     ``os-quota-sets``.
 
-    Added share groups and share group snapshots in 2.40 API versions.
+    Share type quotas were added in API version 2.39. It is possible to set
+    quotas per share type for the following quota resources:
+
+    - ``gigabytes``
+    - ``snapshots``
+    - ``shares``
+    - ``snapshot_gigabytes``
+
+    Share groups and share group snapshots were added to quota management
+    APIs in API version 2.40.
 
 
 Show default quota set
@@ -46,6 +55,7 @@ Response parameters
    - share_networks: quota_share_networks
    - share_groups: quota_share_groups
    - share_group_snapshots: quota_share_group_snapshots
+   - share_networks: quota_share_networks_default
 
 Response example
 ----------------
@@ -76,6 +86,7 @@ Request
    - tenant_id: tenant_id_path
    - tenant_id: tenant_id
    - user_id: user_id_query
+   - share_type: share_type_for_quota
 
 Response parameters
 -------------------
@@ -121,6 +132,7 @@ Request
    - tenant_id: tenant_id_path
    - tenant_id: tenant_id
    - user_id: user_id_query
+   - share_type: share_type_for_quota
 
 Response parameters
 -------------------
@@ -175,6 +187,7 @@ Request
    - share_networks: quota_share_networks_request
    - share_groups: quota_share_groups_request
    - share_group_snapshots: quota_share_group_snapshots_request
+   - share_type: share_type_for_quota
 
 Request example
 ---------------
@@ -226,3 +239,4 @@ Request
    - tenant_id: tenant_id_path
    - tenant_id: tenant_id
    - user_id: user_id_query
+   - share_type: share_type_for_quota