Update README.md

Author: LogicalError

README.md

@@ -3,3 +3,10 @@
 A package which adds the ability to add metadata to assets(*) in Unity
 
 (*) currently only Material is supported
+
+# Install
+
+In the unity package manager in the top right corner, press the + and select "Add package from git URL" and enter "https://github.com/LogicalError/CustomAssetMetadata.git"
+This will install the package
+
+Here, you can go to the sample tab to import an example project that uses CustomAssetMetadata