DOCS-7131 add embedded document example of document validation

Author: Isabella Siu

source/core/schema-validation.txt

@@ -61,7 +61,7 @@ JSON schema:
       validator: {
          $jsonSchema: {
             bsonType: "object",
-            required: [ "name", "year", "major", "gpa" ],
+            required: [ "name", "year", "major", "gpa", "address.city", "address.street" ],
             properties: {
                name: {
                   bsonType: "string",
@@ -86,6 +86,14 @@ JSON schema:
                   bsonType: [ "double" ],
                   minimum: 0,
                   description: "must be a double and is required"
+               },
+               "address.city" : {
+                  bsonType: "string",
+                  description: "must be a string and is required"
+               },
+               "address.street" : {
+                  bsonType: "string",
+                  description: "must be a string and is required"
                }
             }
          }

source/reference/operator/query/jsonSchema.txt

@@ -111,7 +111,7 @@ operator to set multiple rules for the schema design:
       validator: {
          $jsonSchema: {
             bsonType: "object",
-            required: [ "name", "year", "major", "gpa" ],
+            required: [ "name", "year", "major", "gpa", "address.city", "address.street" ],
             properties: {
                name: {
                   bsonType: "string",
@@ -135,6 +135,14 @@ operator to set multiple rules for the schema design:
                gpa: {
                   bsonType: [ "double" ],
                   description: "must be a double and is required"
+               },
+               "address.city" : {
+                  bsonType: "string",
+                  description: "must be a string and is required"
+               },
+               "address.street" : {
+                  bsonType: "string",
+                  description: "must be a string and is required"
                }
             }
          }
@@ -151,7 +159,11 @@ requires a ``double``.
       name: "Alice",
       year: NumberInt(2019),
       major: "History",
-      gpa: NumberInt(3)
+      gpa: NumberInt(3),
+      address: {
+         city: "NYC",
+         street: "33rd Street"
+      }
    })
 
 The operation returns the following error: