feat: add VITE_SEO_SITE_URL to environment configuration and update SEO component

.env.example

@@ -0,0 +1,2 @@
+# SEO Site URL
+VITE_SEO_SITE_URL=http://localhost:5173

src/components/seo/index.tsx

@@ -7,7 +7,7 @@ type SeoProps = {
   path: string
 }
 
-const SITE_URL = "https://dev-lab.onixbyte.dev"
+const SITE_URL = import.meta.env.VITE_SEO_SITE_URL
 const DEFAULT_IMAGE = `${SITE_URL}/onixbyte.svg`
 
 function setMetaTag(selector: string, attr: string, value: string) {

src/vite-env.d.ts

@@ -1,6 +1,6 @@
 /// <reference types="vite/client" />
 interface ImportMetaEnv {
-  // todo add env properties here
+  readonly VITE_SEO_SITE_URL: string
 }
 
 interface ImportMeta {