docs: add form management tools to MCP Server documentation - #9

Changed pages include:

• index.html - view
• 404.html - view
• authorizenet-integration.html - view
• formester-api-v1.html - view
• formester-api-v2.html - view
• formester-api.html - view
• formester-mcp-server.html - view
• guide.html - view
• paypal-integration.html - view