docs: update docs for version

Author: shhdharmen

src/app/categories/getting-started/pages/installation/index.md

@@ -5,13 +5,21 @@ keyword: InstallationPage
 Install in your project using `npm`
 
 ```bash
+# Angular 18+
 npm install @ngxpert/coolshapes
+
+# Angular 17
+npm install @ngxpert/coolshapes@1
 ```
 
 or `yarn`
 
 ```bash
+# Angular 18+
 yarn add @ngxpert/coolshapes
+
+# Angular 17
+yarn add @ngxpert/coolshapes@1
 ```
 
 ## Usage

src/app/components/banner/banner.component.css

@@ -8,7 +8,7 @@
 }
 
 .banner-img {
-  background-image: url("/banner.png");
+  background-image: url("https://github.com/ngxpert/coolshapes/blob/main/public/banner.png?raw=true");
   height: 300px;
   background-size: cover;
   animation: banner-keyframes 30000ms ease-in-out alternate infinite;