fix(core): Corrected package and npm extra configuration to ensure consistent naming.

npmextra.json

@@ -4,9 +4,9 @@
     "module": {
       "githost": "gitlab.com",
       "gitscope": "signature.digital",
-      "gitrepo": "portablecontract",
+      "gitrepo": "tools",
       "description": "a package that defines standard tools for working with contracts.",
-      "npmPackagename": "@signature.digital/portablecontract",
+      "npmPackagename": "@signature.digital/tools",
       "license": "MIT",
       "projectDomain": "signature.digital"
     }