Update pyproject.toml

+[build-system]
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"
+
 [tool.poetry]
 name = "newmath"
 version = "0.2.2"

 authors = ["Angelo Gladding <angelo@ragt.ag>"]
 license = "BSD-2-Clause"
 
+[[tool.poetry.source]]
+name = "main"
+url = "https://ragt.ag/code/pypi"
+
 [tool.poetry.dependencies]
 python = ">=3.10,<3.11"
 pycryptodome = "^3.16.0"
 
 [tool.poetry.group.dev.dependencies]
 gmpg = {path="../gmpg", develop=true}
-
-# [[tool.poetry.source]]
-# name = "main"
-# url = "https://ragt.ag/code/pypi"
-
-[build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"