chore: Move agent availability to Account level (#3074)

- Move agent availability to the account level

swagger/paths/application/contacts/crud.yml

@@ -0,0 +1,69 @@
+get:
+  tags:
+    - Contact
+  operationId: contactDetails
+  summary: Show Contact
+  description: Get a contact belonging to the account using ID
+  parameters:
+    - $ref: '#/parameters/account_id'
+    - name: id
+      in: path
+      type: number
+      description: ID of the contact
+      required: true
+  responses:
+    200:
+      description: Success
+      schema:
+        $ref: '#/definitions/extended_contact'
+    404:
+      description: Contact not found
+    403:
+      description: Access denied
+
+put:
+  tags:
+    - Contact
+  operationId: contactUpdate
+  summary: Update Contact
+  description: Update a contact belonging to the account using ID
+  parameters:
+    - $ref: '#/parameters/account_id'
+    - name: id
+      in: path
+      type: number
+      description: ID of the contact
+      required: true
+    - name: data
+      in: body
+      required: true
+      schema:
+        $ref: '#/definitions/contact_update'
+  responses:
+    204:
+      description: Success
+      schema:
+        $ref: '#/definitions/contact_base'
+    404:
+      description: Contact not found
+    403:
+      description: Access denied
+
+delete:
+  tags:
+    - Contact
+  operationId: contactDelete
+  summary: Delete Contact
+  parameters:
+    - name: id
+      in: path
+      type: number
+      description: ID of the contact
+      required: true
+  responses:
+    200:
+      description: Success
+    401:
+      description: Unauthorized
+    404:
+      description: Contact not found