Clean up doc homepage

Author: alicerunsonfedora

Sources/MCMap/MCMap.docc/MCMap.md

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+# ``MCMap``
+
+Read and store information about a Minecraft world and player-generated
+content.
+
+## Overview
+
+The **Minecraft map package (.mcmap)** is a file package format designed
+to store basic information about a Minecraft world and player-created
+content.
+
+This Swift package provides the interfaces for interacting with the
+package format, allowing developers to read from and write to the format
+easily in their apps. It is primary designed to be compatible with SwiftUI
+based applications, and it is one of the tenet packages that makes the
+Alidade app possible.
+
+> Important:
+> The file format is undergoing a refactor, and it currently uses the
+> experimental v2 of the format. The format may change over time and is
+> not representative of the final version of the v2 format.
+
+## Topics
+
+### Manifest Versions
+
+- ``MCMapManifest``
+- ``MCMapManifest_PreVersioning``
+- ``MCMapManifest_v1``
+- ``MCMapManifest_v2``
+
+### Migration and Versioning
+
+- ``CartographyMapVersionSpec``
+
+### Service Integrations
+
+- ``MCMapIntegration``
+- ``MCMapBluemapIntegration``