Use Snowpack for web module management.

Change-Id: Id4ed0471166cfe82caeca7b5e8b53c9ef1765d66
diff --git a/src/main/resources/META-INF/resources/package.json b/src/main/resources/META-INF/resources/package.json
index a56863e..714a895 100644
--- a/src/main/resources/META-INF/resources/package.json
+++ b/src/main/resources/META-INF/resources/package.json
@@ -6,5 +6,7 @@
     "redux": "^4.0.5",
     "sanitize.css": "^11.0.0"
   },
-  "devDependencies": {}
+  "devDependencies": {
+    "snowpack": "^1.1.0"
+  }
 }