✨ 添加 mk_common.py 和 mk_info.py 文件，提供随机转盘和数字计算功能

nonebot_plugin_marshoai/tools/marshoai_megakits/mk_common.py

@@ -0,0 +1,45 @@
+import random
+
+
+async def random_turntable(upper: int, lower: int):
+    """Random Turntable
+
+    Args:
+        upper (int): _description_
+        lower (int): _description_
+
+    Returns:
+        _type_: _description_
+    """
+    return random.randint(lower, upper)
+
+
+
+async def number_calc(a: str, b: str, op: str) -> str:
+    """Number Calc
+
+    Args:
+        a (str): _description_
+        b (str): _description_
+        op (str): _description_
+
+    Returns:
+        str: _description_
+    """
+    a, b = float(a), float(b)   # type: ignore
+    match op:
+        case "+":
+            return str(a + b)   # type: ignore
+        case "-":
+            return str(a - b)   # type: ignore
+        case "*":
+            return str(a * b)   # type: ignore
+        case "/":
+            return str(a / b)   # type: ignore
+        case "**":
+            return str(a**b)    # type: ignore
+        case "%":
+            return str(a % b)
+        case _:
+            return "未知运算符"
+