update sewing OKW to use schema (#44)

Co-authored-by: Harry Pierson <[email protected]>

alpha/okw/RobTestOKWForSewing.yml

@@ -1,3 +1,6 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/helpfulengineering/OKF-Schema/main/okw-schema/okw.schema.json
+
+title: Robert's test OKW for Sewing
 contact: Robert L. Read, PhD, [email protected]
 
 contributors: Robert L. Read
@@ -17,8 +20,6 @@ licensor: Robert L. Read
 
 documentation-home: https://www.pubinv.org/               
 
-archive-download: 
-
 # # Core Matchable Work
 
 # 'inventory-atoms' are the things which this OKW either expects to have in inventory