Merge branch 'tailwind-purge-settings' into 'master'

feat: Setup dead code purging for tailwind

See merge request mythic-insight/legendary!83

apps/app/assets/tailwind.config.js

@@ -1,6 +1,7 @@
 module.exports = {
   future: {
     removeDeprecatedGapUtilities: true,
+    purgeLayersByDefault: true,
   },
   purge: {
     enabled: true,

config/prod.exs

@@ -73,7 +73,7 @@ config :core, Legendary.CoreMailer,
   username: {:system, "SMTP_USERNAME"},
   password: {:system, "SMTP_PASSWORD"},
   tls: :if_available,
-  allowed_tls_versions: [:"tlsv1", :"tlsv1.1", :"tlsv1.2"],
+  allowed_tls_versions: [:tlsv1, :"tlsv1.1", :"tlsv1.2"],
   ssl: false,
   retries: 1,
   no_mx_lookups: false,