fix(Build): Also include the webpack configs in the npm package.

Previous packages depending on @patternslib/patternslib also extended
Patternslib' webpack configs. Include these configs for backwards
compatibility.

Author: thet

package.json

@@ -61,7 +61,8 @@
     },
     "files": [
         "/dist",
-        "/src"
+        "/src",
+        "/webpack"
     ],
     "engines": {
         "node": ">=12.20.0"