Add documentation catalog

Sources/MuxUploadSDK/MuxUploadSDK.docc/MuxUploadSDK.md

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+# ``MuxUploadSDK``
+
+Allow your users to upload content directly to Mux from iOS or iPadOS.
+
+## Overview
+
+Use the Swift Upload SDK along with Direct Uploads to upload content directly to Mux without needing any intermediary steps using an authenticated URL.
+
+You still get to control who gets an authenticated URL, how long it's viable, and, of course, the Asset settings used when the upload is complete.
+
+Create a direct upload URL as [described here](https://docs.mux.com/guides/video/upload-files-directly#1-create-an-authenticated-mux-url).
+
+Then 
+
+The Upload SDK handles the networking and file chunking needed to upload video input files for you.
+
+Using Direct Uploads your application can upload content directly to Mux without needing any intermediary steps using an authenticated URL.
+
+You still get to control who gets an authenticated URL, how long it's viable, and, of course, the Asset settings used when the upload is complete.
+
+## Topics
+
+### Options
+
+- <doc:Options>

Sources/MuxUploadSDK/MuxUploadSDK.docc/Options.md

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+# Options
+
+### Transport
+
+### Input Standardization
+
+### EventTracking