Image Component: Support for Akamai image CDN (#18100)

packages/next/client/image.tsx

@@ -4,6 +4,7 @@ import Head from '../next-server/lib/head'
 const loaders: { [key: string]: (props: LoaderProps) => string } = {
   imgix: imgixLoader,
   cloudinary: cloudinaryLoader,
+  akamai: akamaiLoader,
   default: defaultLoader,
 }
 
@@ -308,6 +309,10 @@ function imgixLoader({ root, src, width, quality }: LoaderProps): string {
   return `${root}${normalizeSrc(src)}${paramsString}`
 }
 
+function akamaiLoader({ root, src, width }: LoaderProps): string {
+  return `${root}${normalizeSrc(src)}${width ? '?imwidth=' + width : ''}`
+}
+
 function cloudinaryLoader({ root, src, width, quality }: LoaderProps): string {
   const params = []
   let paramsString = ''