feat: migrate build backend to hatchling

Author: onerandomusername

MANIFEST.in

@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: MIT
 
 [build-system]
-requires = ["setuptools>=61"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling", "hatch-vcs"]
+build-backend = "hatchling.build"
 
 [project]
 name = "disnake"
@@ -121,6 +121,15 @@ setup_env = { cmd = "{pdm} install -G:all", help = "Set up the local environment
 post_setup_env = { composite = ["python -m ensurepip --default-pip", "pre-commit install --install-hooks"] }
 test = { cmd = "nox -Rs test --", help = "Run pytest" }
 
+[tool.hatch.build]
+include = [
+    "disnake/",
+]
+
+[tool.hatch.version]
+source = "vcs"
+fallback-version = "0.0.0"
+
 [tool.ruff]
 line-length = 100
 target-version = "py38"