docs: add the seed prop to fillBackground options (#188)

Author: SanchitMahajan236

packages/docs/src/content/docs/components/image/configuration.mdx

@@ -495,6 +495,11 @@ a background, or an object, which can take the following options:
 			type: 'string',
 			example: () => <code>cupcakes</code>,
 		},
+		{
+			prop: 'seed',
+			type: 'number',
+			example: () => (<code>3</code>),
+		},
 	]}
 />
 
@@ -512,7 +517,8 @@ Customizing options:
 fillBackground={{
   crop: 'clpad',
   gravity: 'south',
-  prompt: 'cupcakes'
+  prompt: 'cupcakes',
+  seed: '3'
 }}
 ```
 

packages/docs/src/content/docs/helpers/getcldimageurl/configuration.mdx

@@ -466,6 +466,11 @@ a background, or an object, which can take the following options:
 			type: 'string',
 			example: () => <code>cupcakes</code>,
 		},
+		{
+			prop: 'seed',
+			type: 'number',
+			example: () => (<code>3</code>),
+		},
 	]}
 />
 
@@ -483,7 +488,8 @@ Customizing options:
 fillBackground: {
   crop: 'clpad',
   gravity: 'south',
-  prompt: 'cupcakes'
+  prompt: 'cupcakes',
+  seed: '3'
 }
 ```