Reenable lighthouse thresholds (#285)

Author: jarrodmillman

netlify.toml

@@ -4,3 +4,18 @@
 
 [[plugins]]
   package = "netlify-plugin-checklinks"
+
+[[plugins]]
+  package = "@netlify/plugin-lighthouse"
+
+  # optional, fails build when a category is below a threshold
+  [plugins.inputs.thresholds]
+    performance = 0.75
+    accessibility = 0.95
+    best-practices = 0.95
+    seo = 0.95
+    pwa = 0.2
+
+  # optional, deploy the lighthouse report to a path under your site
+  [plugins.inputs]
+    output_path = "reports/lighthouse.html"