Update template to be more python-module like.

$REPO_NAME_SNAKE/app.py

@@ -0,0 +1,41 @@
+"""Main file for bot."""
+
+import os
+
+import nextcord
+from nextcord.ext import commands
+
+from .settings import settings
+
+
+def run() -> None:
+    """Set config, intents, then connects the bot to discord."""
+    # Allows privileged intents for monitoring members joining, roles editing, and role assignments
+    # These need to be enabled in the developer portal as well
+    intents = nextcord.Intents.default()
+
+    # Required in order to read messages (eg. prefix commands)
+    intents.message_content = True
+
+    # To enable the guilds privileged intent:
+    # intents.guilds = True
+
+    # To enable the members privileged intent:
+    # intents.members = True
+
+    bot = commands.Bot(intents=intents)
+
+    # Get the modules of all cogs whose directory structure is ./cogs/<module_name>
+    for folder in os.listdir(f"${REPO_NAME_SNAKE}/cogs"):
+        bot.load_extension(f"${REPO_NAME_SNAKE}.cogs.{folder}")
+
+    @bot.listen()
+    async def on_ready() -> None:
+        """When Discord is connected."""
+        if bot.user is None:
+            print("Discord connection failed.")
+            return
+        print(f"{bot.user.name} has connected to Discord!")
+
+    # Run Discord bot
+    bot.run(settings.params.discord_token)