Added installation instructions to the README

Author: timecomplexity

README.md

@@ -1,2 +1,22 @@
 # WumboMode
 So you can say "yes" when people ask if you tried "setting it to Wumbo".
+
+The plugin that every project needs.
+
+Clone this into your project's plugins directory. Add this to your `.uproject` file.
+
+```
+{
+    "Name": "WumboMode",
+    "Enabled": true,
+    "MarketplaceURL": ""
+}
+```
+
+Add this as a dependency in your project's build.cs file.
+
+```
+...
+PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", ... "WumboMode"});
+...
+```