Added error codes for funding sources errors

Author: ChristianCasado

shipengine/enums/error_code.py

@@ -235,3 +235,13 @@ class ErrorCode(Enum):
         ShipEngine only allows you to have one webhook of each type. If you would
         like to replace a webhook with a new one, please delete the old one first.
     """
+
+    FUNDING_SOURCE_MISSING_CONFIGURATION = "funding_source_missing_configuration"
+    """
+        Funding source isnt properly configured and can't be used.
+    """
+
+    FUNDING_SOURCE_ERROR = "funding_source_error"
+    """
+        There was a problem with a funding source.
+    """

shipengine/enums/error_type.py

@@ -48,5 +48,14 @@ class ErrorType(Enum):
     AUTHORIZATION = "authorization"
     """General authorization error type."""
 
+    INTEGRATIONS = "integrations"
+    """General integrations error type."""
+
+    WALLET = "wallet"
+    """General wallet error type."""
+
+    FUNDING_SOURCES = "funding_sources"
+    """General funding sources error type."""
+
     ERROR = "error"
     """Generic error."""