feat: use scm for version

Author: AmaseCocoa

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "apmodel"
-version = "0.2.4"
+dynamic = ["version"]
 description = "ActivityStreams 2.0 and nodeinfo 2.0/2.1 implementation for Python."
 authors = [
     {name = "AmaseCocoa", email = "cocoa@amase.cc"},
@@ -28,6 +28,10 @@ Changelog = "https://github.com/AmaseCocoa/apmodel/blob/main/CHANGELOG.md"
 requires = ["pdm-backend"]
 build-backend = "pdm.backend"
 
-
 [tool.pdm]
 distribution = true
+
+[tool.pdm.version]
+source = "scm"
+write_to = "apsig/_version.py"
+write_template = "__version__ = '{}'"

src/apmodel/_version.py

@@ -0,0 +1 @@
+__version__ = "0.0.0"