Update README.md

Author: drernie

README.md

@@ -68,8 +68,21 @@ npx cdk deploy
     2. Click "Add app"
     3. Select the app
     4. Change the 'Role' to 'Admin'
-
-## Usage
+12. Create a new entry in the Benchling app
+    1. Go to the "Benchling" tab
+    2. Click "Create > Entry -> Blank entry"
+    3. Set a name
+    4. Click "Create"
+13. Add the Canvas app to the entry
+    1. Select "Insert -> Canvas" from the Toolbar
+    2. Select "Quilt Integration"
+    3. Click "Insert"
+14. In the Canvas section
+    1. Click "Create" (wait a few seconds for it to create)
+    2. Wait a bit for the package to be asynchronously created
+    3. Command-Click "Quilt Catalog" to open the package in a new window
+
+## Testing
 
 ```bash
 export ENDPOINT_ID=4abcdef123