Share base style syntax between rendering and editor validation

packages/email-renderer/package.json

@@ -1,12 +1,13 @@
 {
   "name": "@wrnexus/email-renderer",
-  "version": "0.1.41",
+  "version": "0.1.42",
   "type": "module",
   "description": "WRNexus block email renderers with HTML, text, AMP Email, and MJML interoperability.",
   "exports": {
     ".": "./src/index.ts",
     "./blocks": "./src/blocks.ts",
-    "./create": "./src/create.ts"
+    "./create": "./src/create.ts",
+    "./style-values": "./src/style-values.ts"
   },
   "files": [
     "src",