fix types and missing getters (in block-entity)

Author: johguentner

src/Endpoints/Block.php

@@ -34,9 +34,9 @@ public function children(): Collection
      * url: https://api.notion.com/{version}/blocks/{block_id}/children
      * notion-api-docs: https://developers.notion.com/reference/get-block-children
      *
-     * @return BlockCollection
+     * @return array
      */
-    public function childrenRaw(): Collection
+    public function childrenRaw(): array
     {
         return $this->collectChildren()->getRawResults();
     }

src/Endpoints/Databases.php

@@ -39,9 +39,9 @@ public function all(): Collection
      * url: https://api.notion.com/{version}/databases
      * notion-api-docs: https://developers.notion.com/reference/get-databases
      *
-     * @return DatabaseCollection
+     * @return array
      */
-    public function allRaw(): Collection
+    public function allRaw(): array
     {
         return $this->collect()->getRawResults();
     }

src/Entities/Block.php

@@ -68,4 +68,14 @@ public function hasChildren(): bool
     {
         return $this->hasChildren;
     }
+
+    public function getCreatedTime(): DateTime
+    {
+        return $this->createdTime;
+    }
+
+    public function getLastEditedTime(): DateTime
+    {
+        return $this->lastEditedTime;
+    }
 }