New docs pages titles and descriptions

agrest-docs-framework/src/docs/asciidoc/_chapters/header.html

@@ -1,7 +1,9 @@
 ---
-title: "Server Framework"
+docTitle: "Server Framework"
+docDescription: "Agrest server framework"
 layout: docs-index
 weight: 40
 docsMenuTitle: "Table of Contents"
-description: "Agrest server framework"
+title: "Agrest 5.x Server Framework Documentation | REST API Framework"
+description: "Access detailed documentation for setting up the Agrest 5.x Server Framework. Learn to integrate Jersey, manage REST requests, and use Apache Cayenne ORM to develop RESTful APIs in Java."
 ---

agrest-docs-get-started-cayenne-sb/src/docs/asciidoc/_chapters/header.html

@@ -1,7 +1,9 @@
 ---
-title: "Getting Started"
+docTitle: "Getting Started"
+docDescription: "A simple Agrest application tutorial"
 layout: docs-index
 weight: 10
 docsMenuTitle: "Table of Contents"
-description: "A simple Agrest application tutorial"
+title: "Getting Started with Agrest 5.x Alpha | REST API Framework"
+description: "Start building RESTful services with Agrest version 5.x. This guide covers project setup, ORM mapping with Apache Cayenne, creating REST endpoints, and more. "
 ---

agrest-docs-protocol/src/docs/asciidoc/_chapters/header.html

@@ -1,7 +1,9 @@
 ---
-title: "Protocol"
+docTitle: "Protocol"
+docDescription: "HTTP/JSON protocol that unifies interaction between an Agrest server and an HTTP client"
 layout: docs-index
 weight: 30
 docsMenuTitle: "Table of Contents"
-description: "HTTP/JSON protocol that unifies interaction between an Agrest server and an HTTP client"
+title: "Agrest 5.x Alpha Protocol Documentation "
+description: "Discover Agrest 5.x Protocol, focusing on server-client communication via HTTP and JSON. Includes details on JSON formats, control parameters, and expressions for data interaction."
 ---