build: Convert to Poetry

pyproject.toml

@@ -0,0 +1,30 @@
+[tool.poetry]
+name = "secret-handshake"
+version = "0.1.0"
+description = "A module that implements Secret Handshake"
+authors = ["Pedro Ferreira <pedro@dete.st>"]
+license = "MIT"
+readme = "README.rst"
+packages = [{include = "secret_handshake"}]
+
+[tool.poetry.dependencies]
+python = "^3.12"
+async_generator = "^1.10"
+PyNaCl = "^1.5.0"
+
+[tool.poetry.group.dev.dependencies]
+check-manifest = "^0.49"
+coverage = "^7.3.2"
+isort = "^5.12.0"
+pydocstyle = "^6.3.0"
+pytest-cov = "^4.1.0"
+pytest = "^7.4.3"
+pytest-asyncio = "^0.21.1"
+pytest-mock = "^3.12.0"
+
+[tool.poetry.group.docs.dependencies]
+sphinx = "^7.2.6"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"