doc(revpiconfig): Add docstrings to enums in revpi_config.py

This update introduces detailed docstrings for the `ComputeModuleTypes`
and `ConfigActions` enumeration classes. The docstrings provide
descriptions for each class and their attributes, improving code
readability and maintainability.

src/revpi_middleware/dbus_middleware1/system_config/revpi_config.py

@@ -26,6 +26,21 @@ CONFIG_TXT_LOCATIONS = ("/boot/firmware/config.txt", "/boot/config.txt")
 
 
 class ComputeModuleTypes(IntEnum):
+    """
+    Enumeration class to represent compute module types.
+
+    This class is an enumeration that defines various types of compute
+    modules and assigns them associated integer values for identifying
+    different module types.
+
+    Attributes:
+        UNKNOWN (int): Represents an unknown or undefined compute module type.
+        CM1 (int): Represents a Compute Module 1.
+        CM3 (int): Represents a Compute Module 3.
+        CM4 (int): Represents a Compute Module 4.
+        CM4S (int): Represents a Compute Module 4S.
+        CM5 (int): Represents a Compute Module 5.
+    """
     UNKNOWN = 0
     CM1 = 6
     CM3 = 10
@@ -35,6 +50,13 @@ class ComputeModuleTypes(IntEnum):
 
 
 class ConfigActions(Enum):
+    """
+    Enumeration class for defining configuration actions.
+
+    This enumeration provides predefined constants for common configuration
+    actions. It can be used to ensure consistency when working with or defining
+    such actions in a system.
+    """
     ENABLE = "enable"
     DISABLE = "disable"
     STATUS = "status"