Merge pull request #772 from primer/bundle-size-report

Add bundle size report

Author: shawnbot

package-lock.json

@@ -70,6 +70,7 @@
     "eslint": "4.19.1",
     "eslint-plugin-github": "1.0.0",
     "execa": "^0.10.0",
+    "filesize": "4.1.2",
     "fs-extra": "^4.0.2",
     "fx": "11.0.1",
     "gh-pages": "^1.0.0",
@@ -86,7 +87,9 @@
     "metalsmith-filter": "^1.0.2",
     "metalsmith-matters": "^1.2.0",
     "metalsmith-watch": "^1.0.3",
+    "minimist": "1.2.0",
     "next": "7.0.2",
+    "node-fetch": "2.4.0",
     "now": "^12.1.8",
     "npm-run-all": "4.1.5",
     "postcss": "7.0.14",
@@ -116,6 +119,7 @@
     "styled-components": "4.1.2",
     "stylelint": "9.10.1",
     "stylelint-config-primer": "7.0.0",
+    "table": "5.2.3",
     "title-case": "^2.1.1",
     "tree-model": "^1.0.7",
     "typographic-base": "^1.0.4",