FIX (spelling): Fix healthcheck spelling and add website to readme

Author: RostislavDugin

README.md

@@ -20,8 +20,14 @@
     <a href="#-license">License</a> •
     <a href="#-contributing">Contributing</a>
   </p>
+
+  <p style="margin-top: 20px; margin-bottom: 20px; font-size: 1.2em;">
+    <a href="https://postgresus.com" target="_blank"><strong>🌐 Postgresus website</strong></a>
+  </p>
 
   <img src="assets/dashboard.svg" alt="Postgresus Dashboard" width="800"/>
+  
+ 
 </div>
 
 ---

frontend/src/features/healthcheck/ui/EditHealthcheckConfigComponent.tsx

@@ -190,7 +190,7 @@ export const EditHealthcheckConfigComponent = ({ databaseId, onClose }: Props) =
 
             <Tooltip
               className="cursor-pointer"
-              title="How many days to store healthcheck attempt history"
+              title="How many days to store health check attempt history"
             >
               <InfoCircleOutlined className="ml-2" style={{ color: 'gray' }} />
             </Tooltip>

frontend/src/features/healthcheck/ui/ShowHealthcheckConfigComponent.tsx

@@ -40,7 +40,7 @@ export const ShowHealthcheckConfigComponent = ({ databaseId }: Props) => {
   return (
     <div className="space-y-4">
       <div className="mb-1 flex items-center">
-        <div className="min-w-[180px]">Is healthcheck enabled</div>
+        <div className="min-w-[180px]">Is health check enabled</div>
         <div className="w-[250px]">{healthcheckConfig.isHealthcheckEnabled ? 'Yes' : 'No'}</div>
       </div>
 

frontend/src/widgets/main/MainScreenComponent.tsx

@@ -60,7 +60,7 @@ export const MainScreenComponent = () => {
             target="_blank"
             rel="noreferrer"
           >
-            Healthcheck
+            Health-check
           </a>
 
           <a