Rewrite identity and access management

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/coredata/errors.go

@@ -0,0 +1,11 @@
+package coredata
+
+import (
+	"errors"
+)
+
+var (
+	ErrResourceNotFound      = errors.New("resource not found")
+	ErrResourceAlreadyExists = errors.New("resource already exists")
+	ErrResourceInUse         = errors.New("resource is in use")
+)