build: LICENSE, prepare Hex release

mix.exs

@@ -10,7 +10,9 @@ defmodule Parrhesia.MixProject do
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       aliases: aliases(),
-      docs: docs()
+      docs: docs(),
+      description: description(),
+      package: package()
     ]
   end
 
@@ -52,15 +54,17 @@ defmodule Parrhesia.MixProject do
       {:telemetry_poller, "~> 1.0"},
       {:telemetry_metrics_prometheus, "~> 1.1"},
 
+      # Runtime: outbound WebSocket client (sync transport)
+      {:websockex, "~> 0.4"},
+
       # Test tooling
       {:stream_data, "~> 1.0", only: :test},
-      {:websockex, "~> 0.4"},
 
       # Project tooling
       {:credo, "~> 1.7", only: [:dev, :test], runtime: false},
       {:ex_doc, "~> 0.34", only: :dev, runtime: false},
-      {:deps_changelog, "~> 0.3"},
-      {:igniter, "~> 0.6", only: [:dev, :test]}
+      {:deps_changelog, "~> 0.3", only: :dev, runtime: false},
+      {:igniter, "~> 0.6", only: [:dev, :test], runtime: false}
     ]
   end
 
@@ -82,6 +86,17 @@ defmodule Parrhesia.MixProject do
     ]
   end
 
+  defp description do
+    "Nostr event relay with WebSocket fanout, sync, and access control"
+  end
+
+  defp package do
+    [
+      licenses: ["BSD-2-Clause"],
+      links: %{"Gitea" => "https://git.teralink.net/tribes/parrhesia"}
+    ]
+  end
+
   defp docs do
     [
       main: "readme",