feat: rework of the full CSS machine to tailwind and modular CSS

Co-authored-by: Copilot <copilot@github.com>

config/dev.exs

@@ -1,3 +1,9 @@
 import Config
 
 config :bds, BDS.Repo, pool_size: 5
+
+config :bds, BDS.Desktop.Endpoint,
+  watchers: [
+    tailwind: {Tailwind, :install_and_run, [:default, ~w(--watch)]},
+    esbuild: {Esbuild, :install_and_run, [:default, ~w(--watch)]}
+  ]