[feature] Federate local account deletion (#431)

* add account delete to API

* model account delete request

* add AccountDeleteLocal

* federate local account deletes

* add DeleteLocal

* update transport (controller) to allow shortcuts

* delete logic + testing

* update swagger docs

* more tests + fixes

internal/api/model/account.go

@@ -187,3 +187,14 @@ type AccountFollowRequest struct {
 	// Notify when this account posts.
 	Notify *bool `form:"notify" json:"notify" xml:"notify"`
 }
+
+// AccountDeleteRequest models a request to delete an account.
+//
+// swagger:ignore
+type AccountDeleteRequest struct {
+	// Password of the account's user, for confirmation.
+	Password string `form:"password" json:"password" xml:"password"`
+	// The origin of the delete account request.
+	// Can be the ID of the account owner, or the ID of an admin account.
+	DeleteOriginID string `form:"-" json:"-" xml:"-"`
+}