added update / remove plugin triggers

Author: nekufa

src/Plugin.php

@@ -14,4 +14,6 @@ public function __construct(Mapper $mapper)
     public function getRepositoryClass(Space $space) {}
     public function getEntityClass(Space $space) {}
     public function beforeCreate(Entity $instance, Space $space) {}
-}
+    public function beforeUpdate(Entity $instance, Space $space) {}
+    public function beforeRemove(Entity $instance, Space $space) {}
+}

src/Repository.php

@@ -195,6 +195,7 @@ public function remove($instance)
             foreach($this->space->getPrimaryIndex()->parts as $part) {
                 $pk[] = $this->original[$key][$part[0]];
             }
+            $plugin->beforeRemove($instance, $this->space);
 
             $this->space->getMapper()->getClient()
                 ->getSpace($this->space->getId())
@@ -248,6 +249,7 @@ public function save($instance)
             foreach($this->space->getPrimaryIndex()->parts as $part) {
                 $pk[] = $this->original[$key][$part[0]];
             }
+            $plugin->beforeCreate($instance, $this->space);
 
             $client->getSpace($this->space->getId())->update($pk, $operations);
             $this->original[$key] = $tuple;
@@ -266,4 +268,4 @@ public function flushCache()
     {
         $this->cache = [];
     }
-}
+}