Added:

- activity on menu
- starting activity page

src/Entity/Chapter.php

@@ -116,19 +116,19 @@ class Chapter
         return $this;
     }
 
-	public function getPageByNumber(int $number): ?Page
-                                    	{
-                                    		/**
-                                    		 * @var Page $page
-                                    		 */
-                                    		foreach ($this->pagesLink as $page) {
-                                    			if ($page->getNumber() === $number) {
-                                    				return $page;
-                                    			}
-                                    		}
-                                    
-                                    		return null;
-                                    	}
+    public function getPageByNumber(int $number): ?Page
+    {
+        /**
+         * @var Page $page
+         */
+        foreach ($this->pagesLink as $page) {
+            if ($page->getNumber() === $number) {
+                return $page;
+            }
+        }
+
+        return null;
+    }
 
     public function getVolume(): ?int
     {