Add startup procedure

Author: chouzar

Diff for: src/supervisor.ex

@@ -0,0 +1,20 @@
+defmodule TicTacToe.Supervisor do
+  def start() do
+    config()
+
+    children = [
+      TicTacToe.Endpoint
+    ]
+
+    Supervisor.start_link(children, strategy: :one_for_one)
+  end
+
+  defp config() do
+    Application.put_env(:sample, TicTacToe.Endpoint,
+      http: [ip: {127, 0, 0, 1}, port: 5001],
+      server: true,
+      live_view: [signing_salt: "aaaaaaaa"],
+      secret_key_base: String.duplicate("a", 64)
+    )
+  end
+end

Diff for: src/tictactoe.gleam

@@ -1,15 +1,15 @@
 import gleam/dict.{type Dict}
+import gleam/erlang/process
 import gleam/list
 import gleam/option.{type Option, None, Some}
 import gleam/result.{try_recover as else_try}
 
 pub fn main() {
-  start_phoenix()
-  io.println("Hello from tictactoe!")
-}
+  let assert Ok(_) = supervisor()
+  observer()
 
-@external(erlang, "Elixir.TicTacToe.Endpoint", "start_endpoint")
-fn start_phoenix() -> phoenix
+  process.sleep_forever()
+}
 
 // ----- Supervision Tree ------ //