Use local built CSS and fonts for master documentation (#1584)

* Change `npm run` to `yarn`

* Export `commander` program if required as module

* Move `prestart` (cli.md generation) to build.js

* Normalize script names

* Change `yarn prestart` to `node lib/build.js`

* Use local built CSS and fonts

* Move stylesheet after the first paragraph

* Remove prestart script

.stylelintrc

@@ -2,5 +2,8 @@
     "extends": "stylelint-config-standard",
     "rules": {
         "indentation": 4,
-    }
+    },
+    "ignoreFiles": [
+        "**/*.min.css"
+    ]
 }