update menu icons (#6411)

openmetadata-docs/content/menu.md

@@ -3,7 +3,7 @@ site_menu:
   - category: Quickstart
     url: /quick-start
     color: violet-70
-    icon: av_timer
+    icon: quickstart
   - category: Quickstart / Try OpenMetadata in Docker
     url: /quick-start/local-deployment
   - category: Quickstart / Try the OpenMetadata Sandbox
@@ -12,7 +12,7 @@ site_menu:
   - category: Overview
     url: /overview
     color: violet-70
-    icon: map
+    icon: overview
   - category: Overview / Latest Release
     url: /overview/latest-release
   - category: Overview / Features
@@ -25,7 +25,7 @@ site_menu:
   - category: Deployment
     url: /deployment
     color: violet-70
-    icon: cloud_download
+    icon: deployment
   - category: Deployment / Bare Metal Deployment
     url: /deployment/bare-metal
   - category: Deployment / Bare Metal Deployment / Enable Security
@@ -129,7 +129,7 @@ site_menu:
   - category: OpenMetadata
     url: /openmetadata
     color: violet-70
-    icon: storage
+    icon: openmetadata
 
   - category: OpenMetadata / Connectors
     url: /openmetadata/connectors
@@ -417,7 +417,7 @@ site_menu:
   - category: Main Concepts
     url: /main-concepts
     color: violet-70
-    icon: public
+    icon: main-concepts
   - category: Main Concepts / High Level Design
     url: /main-concepts/high-level-design
   - category: Main Concepts / Metadata Standard
@@ -889,7 +889,7 @@ site_menu:
   - category: Developers
     url: /developers
     color: violet-70
-    icon: developer_mode
+    icon: developers
   - category: Developers / Architecture
     url: /developers/architecture
   - category: Developers / Architecture / Understand Code Layout
@@ -920,7 +920,7 @@ site_menu:
   - category: SDK
     url: /sdk
     color: violet-70
-    icon: developer_board
+    icon: sdk
   - category: SDK / Python SDK
     url: /sdk/python
   - category: SDK / Python SDK / Entities