Updated Setting up the PCSX2 repository on Windows (markdown)

Setting-up-the-PCSX2-repository-on-Windows.md

@@ -1,5 +1,13 @@
 This guide is a WIP. It will eventually explain to users how to setup the PCSX2 repository on their PC, that's it. I know there's already a page on the wiki, but there should really be something up front that's integrated into the repo.
 
+# Required Dependencies for QT
+
+If you are developing against the `pcsx2-qt` solution, you will need to do the following:
+- Download the binaries from here https://github.com/PCSX2/pcsx2-windows-dependencies/releases/
+  - tools / symbols are not required
+- Extract into `3rdparty/qt`
+- Ensure you have opened the `*-qt` .sln file.
+
 # Required Build Applications
 
 <!-- MS has a handy list with names here https://docs.microsoft.com/en-us/visualstudio/install/workload-component-id-vs-build-tools?view=vs-2019 -->