fix(liferay-font-awesome): only pack specific files for npm

Author: bryceosterhaus

third-party/projects/alloy-font-awesome/package.json

@@ -21,6 +21,14 @@
     "type": "git",
     "url": "https://github.com/liferay/liferay-frontend-projects.git"
   },
+  "files": [
+    "font",
+    "css",
+    "less",
+    "scss",
+    "svg",
+    "fontawesome-alloy.json"
+  ],
   "contributors": [
     {
       "name": "Rob Madole",