fix: rename iam to instance (#3345)

* fix: rename iam command side to instance

* fix: rename iam command side to instance

* fix: rename iam command side to instance

* fix: rename iam command side to instance

* fix: rename orgiampolicy to domain policy

* fix: merge conflicts

* fix: protos

* fix: md files

* implement deprecated org iam policy again

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

internal/domain/instance.go

@@ -0,0 +1,26 @@
+package domain
+
+import (
+	"github.com/caos/zitadel/internal/eventstore/v1/models"
+)
+
+const (
+	IAMID = "IAM"
+)
+
+type Instance struct {
+	models.ObjectRoot
+
+	GlobalOrgID                     string
+	IAMProjectID                    string
+	SetUpDone                       Step
+	SetUpStarted                    Step
+	Members                         []*Member
+	IDPs                            []*IDPConfig
+	DefaultLoginPolicy              *LoginPolicy
+	DefaultLabelPolicy              *LabelPolicy
+	DefaultDomainPolicy             *DomainPolicy
+	DefaultPasswordComplexityPolicy *PasswordComplexityPolicy
+	DefaultPasswordAgePolicy        *PasswordAgePolicy
+	DefaultPasswordLockoutPolicy    *LockoutPolicy
+}