feat(hotreload): init (#49)

This pull request adds a cog that allows for automatic reloading of local cogs.

- [x] By submitting this pull request, I permit [cswimr](https://www.coastalcommits.com) to license my work under
  the [Mozilla Public License Version 2.0](https://www.coastalcommits.com/cswimr/SeaCogs/src/branch/main/LICENSE).

Reviewed-on: https://www.coastalcommits.com/cswimr/SeaCogs/pulls/49

uv.lock

@@ -1667,6 +1667,7 @@ dependencies = [
     { name = "py-dactyl" },
     { name = "pydantic" },
     { name = "red-discordbot" },
+    { name = "watchdog" },
     { name = "websockets" },
 ]
 
@@ -1706,6 +1707,7 @@ requires-dist = [
     { name = "py-dactyl", git = "https://github.com/cswimr/pydactyl" },
     { name = "pydantic", specifier = ">=2.9.2" },
     { name = "red-discordbot", specifier = ">=3.5.14" },
+    { name = "watchdog", specifier = ">=5.0.3" },
     { name = "websockets", specifier = ">=13.1" },
 ]