Refactor, typing improvements, ci improvements

dockge_cli/models/__init__.py

@@ -1 +1,3 @@
 from .codes import StackStatus
+from .commands import Command
+from .parser import Arguments, Credentials

dockge_cli/models/commands.py

@@ -0,0 +1,9 @@
+from typing import Callable
+from pydantic import BaseModel
+
+class Command(BaseModel):
+    cmd: str
+    bind: Callable
+    args: int
+    optional: bool
+    description: str