feat: add version task

project_manager/common/template.py

@@ -1,4 +1,5 @@
 import json
+import os
 import re
 import tomllib
 from pathlib import Path
@@ -13,6 +14,10 @@ def do_bool(data: str | None) -> bool:
     return not (data is None or data.lower() in ["false", "null", "none", "0", ""])
 
 
+def do_env(key: str, default: str | None = None) -> str | None:
+    return os.environ.get(key=key.upper(), default=default)
+
+
 def _build_env(basepath: Path) -> Environment:
     env = Environment()
 
@@ -65,6 +70,7 @@ def _build_env(basepath: Path) -> Environment:
     env.filters["search"] = do_search
     env.filters["key"] = do_key
     env.filters["bool"] = do_bool
+    env.filters["env"] = do_env
     return env