add common theme options to themes/__init__.py

rendercv/themes/__init__.py

@@ -0,0 +1,33 @@
+from typing import Annotated
+
+import pydantic
+
+LaTeXDimension = Annotated[
+    str,
+    pydantic.Field(
+        pattern=r"\d+\.?\d* *(cm|in|pt|mm|ex|em)",
+    ),
+]
+
+
+class PageMargins(pydantic.BaseModel):
+    top: LaTeXDimension = pydantic.Field(
+        default="2 cm",
+        title="Top Margin",
+        description="The top margin of the page with units.",
+    )
+    bottom: LaTeXDimension = pydantic.Field(
+        default="2 cm",
+        title="Bottom Margin",
+        description="The bottom margin of the page with units.",
+    )
+    left: LaTeXDimension = pydantic.Field(
+        default="1.24 cm",
+        title="Left Margin",
+        description="The left margin of the page with units.",
+    )
+    right: LaTeXDimension = pydantic.Field(
+        default="1.24 cm",
+        title="Right Margin",
+        description="The right margin of the page with units.",
+    )