update readme

Author: fd6130

README.md

@@ -2,23 +2,17 @@
 
 hsl-bundle provide you some nice feature that you might / might not needed:
 
-* maker command for DTOs
-* maker command for Transformers
-* maker command for API CRUD Controller
-* pagination
-* vich upload event listener
-* lexik custom command for generate RSA keys
-
-Please do take note that all the feature from this bundle are using my preference way / format because the purpose of this bundle is used to ease the development of my project.
-
-If you need this bundle features but you have your own prefence way / format for your projects, just fork and modify it!
-
-**The words 'HSL' is a meme from our 17-B students in Discrete Maths course.**
+* maker command for DTOs (DTOs are use for POST and PUT request)
+* maker command for Transformers (customize your result)
+* maker command for API CRUD Controller (boilerplate code for your need)
+* pagination (don't need to write your own)
+* vich upload event listener (image resize, optimization)
+* lexik custom command for generate RSA keys (you don't have to remember the long command RSA)
 
 ## Prerequisites
 
 1. PHP 7.2 or above
-1. Symfony 5 or above
+1. Full set of Symfony 4.4 / 5 (symfony new --full)
 
 **Protips:** Refer to suggest section in `composer.json` to see more useful tools.
 
@@ -28,6 +22,32 @@ If you need this bundle features but you have your own prefence way / format for
 composer require "fd6130/hsl-bundle"
 ```
 
+## Configuration
+
+Create `config/fd_hsl.yaml` and paste the following content:
+
+```
+fd_hsl:
+    paginator:
+        default_limit: 30
+        
+    # This is image upload listener for VichUploaderBundle.
+    # If you don't want use this listener, just set enable to false.
+    hsl_image_upload_listener:
+        enable: true
+        # Every image you upload will save as the extension you defined.
+        # Please provide extension name without any punctuation.
+        # null mean do nothing.
+        save_as_extension: null
+        quality: 90
+        resize:
+          enable: false
+          # If image larger then this width (px), it will be resize.
+          resize_when_width_exceed: 1024
+          # Resize to width
+          resize_to_width: 1024
+```
+
 ## Documentation
 
 Will update this soon.