refactor(ui): simplify keyword and description for seo (#504)

## What type of PR is this?

/kind refactor

## What this PR does / why we need it:

Simplify keyword and description for seo.


![image](https://github.com/KusionStack/karpor/assets/9360247/1df7c93a-4ee7-4f28-ac29-4ee9978d57b7)

Author: elliotxx

ui/public/index.html

@@ -23,9 +23,9 @@
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   <meta name="theme-color" content="#000000" />
   <meta name="keywords"
-    content="Karpor, Kubernetes, Intelligence, Search, Insight, AI, Kubernetes Explorer, Kubernetes Dashboard, Cloud Native, Observability, Multi Cluster, Multi Cloud" />
+    content="Kubernetes,Intelligence,Search,AI,Kubernetes Explorer,Kubernetes Dashboard,Cloud Native,Multi Cluster" />
   <meta name="description"
-    content="Karpor is Intelligence for Kubernetes. It brings advanced 🔍 Search, 💡 Insight and ✨ AI to Kubernetes. With Karpor, you can gain crucial visibility into your Kubernetes clusters across any clouds and empower developers to ship faster." />
+    content="Karpor is a Kubernetes Explorer/Kubernetes Dashboard focusing on Search, Insight and AI. It has self-host, secure compliance, multi-cloud/multi-cluster support" />
   <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
   <!--
       manifest.json provides metadata used when your web app is installed on a