Plugin pagespeed detailed and workflow refactor (#15)

* Display debug logs on error

* Add workflow generator

* Minor plugins adjustements

* Add plugin_pagespeed_detailed option

* Rename computed.plugins to plugins

* Rebuild

* Fix mishandling of boolean value in url for web instance

* Add pagespeed.detailled option for web instances

* Update formatting of pagespeed detailed report

* Add version display and prefers-color-scheme for web instance

package.json

@@ -1,6 +1,6 @@
 {
   "name": "metrics",
-  "version": "2.5.0",
+  "version": "2.6.0",
   "description": "Generate an user's GitHub metrics as SVG image format to embed somewhere else",
   "main": "index.mjs",
   "scripts": {