Update README.md

Author: BolajiAyodeji

echo/README.md

@@ -16,6 +16,7 @@ APItoolkit is an end-to-end API and web services management toolkit for engineer
 ## Table of Contents
 
 - [Installation](#installation)
+- [Configuration](#configuration)
 - [Contributing and Help](#contributing-and-help)
 - [License](#license)
 
@@ -34,6 +35,18 @@ Then add `github.com/apitoolkit/apitoolkit-go/echo` to the list of dependencies,
 ```go
 package main
 
+import (
+  apitoolkit "github.com/apitoolkit/apitoolkit-go/echo"
+)
+```
+
+## Configuration
+
+Next, initialize APItoolkit in your application's entry point (e.g., `main.go`) like so:
+
+```go
+package main
+
 import (
   "context"
   "log"