add usability methods to make templating easier

pyproject.toml

@@ -15,6 +15,7 @@ test = [
     "pytest>=8.3.3",
     "hypothesis>=6.118.7",
     "pytest-watcher>=0.4.3",
+    "jinja2>=3.1.4",
 ]
 [build-system]
 requires = ["pdm-backend"]
@@ -28,8 +29,16 @@ distribution = true
 test = "pytest"
 fmt = "ruff format"
 watch = "ptw ."
+example.cmd = "uvicorn --port 8888 server:app"
+example.working_dir = "example"
+
 
 [tool.pdm.dev-dependencies]
 lint = [
     "ruff>=0.7.3",
 ]
+example = [
+    "fastapi>=0.115.5",
+    "jinja2>=3.1.4",
+    "uvicorn>=0.32.1",
+]

src/detaf/cloud.py

@@ -1,5 +1,6 @@
 from dataclasses import dataclass
 from enum import Enum
+from detaf.phenomenon import Phenomenon
 
 
 class CloudDescription(str, Enum):
@@ -18,7 +19,7 @@ class Type(str, Enum):
 
 
 @dataclass
-class Cloud:
+class Cloud(Phenomenon):
     description: CloudDescription
     height: int | None = None
     type: Type | None = None