feat: 更新頁腳配置，增加導航欄和版權信息，改進樣式和結構

fix: 修改 getBgPath 函數以使用 this.url_for 獲取圖片的正確路徑
feat: 增加右側配置按鈕的動畫效果

_config.yml

@@ -254,12 +254,15 @@ noticeOutdate:
 # Footer Settings
 # --------------------------------------
 footer:
+  nav:
   owner:
     enable: true
-    since: 2019
-  custom_text:
+    since: 2025
   # Copyright of theme and framework
-  copyright: true
+  copyright:
+    enable: true
+    version: true
+  custom_text:
 
 # --------------------------------------
 # Aside Settings
@@ -399,6 +402,9 @@ rightside_item_order:
   # Default: toc,chat,comment
   show:
 
+# Animation for the bottom right config button
+rightside_config_animation: true
+
 # --------------------------------------
 # Global Settings
 # --------------------------------------