style(v3.1.18): set bottom margin for Backlink Panel plugin

- Add bottom margin to Backlink Panel plugin in index.scss
- Update changelog and README files for version 3.1.18

CHANGELOG.md

@@ -1,12 +1,14 @@
 ### v3.1.18
 
+* 适配「反链过滤面板」插件底部间距
 * 调整勾选列表中已勾选项目颜色变化逻辑
 * 修复文档头部有标签时「添加标签」按钮位置异常的问题
 * 修复列表块中引用块的上下外边距异常的问题
 * 修复全宽显示下数据库勾选框列一直可见的问题
 
 <br />
 
+* Set bottom margin for "Backlink Panel" plugin
 * Adjusted the color change logic for checked items in checklists
 * Fixed the positioning issue of the "Add Tag" button when document headers contain tags
 * Fixed abnormal top and bottom margin issues of quote blocks within list blocks

README.md

@@ -15,6 +15,7 @@ An ultra-modern theme for [SiYuan Note](https://github.com/siyuan-note/siyuan),
 
 ### v3.1.18
 
+* Set bottom margin for "Backlink Panel" plugin
 * Adjusted the color change logic for checked items in checklists
 * Fixed the positioning issue of the "Add Tag" button when document headers contain tags
 * Fixed abnormal top and bottom margin issues of quote blocks within list blocks

README_zh_CN.md

@@ -15,6 +15,7 @@ Asri 是一款极富现代感的[思源笔记](https://github.com/siyuan-note/si
 
 ### v3.1.18
 
+* 适配「反链过滤面板」插件底部间距
 * 调整勾选列表中已勾选项目颜色变化逻辑
 * 修复文档头部有标签时「添加标签」按钮位置异常的问题
 * 修复列表块中引用块的上下外边距异常的问题

style/plugins/backlink-panel.scss

@@ -0,0 +1,3 @@
+.backlink-panel-document-bottom__area {
+    margin-bottom: 42px;
+}

style/plugins/index.scss

@@ -3,4 +3,5 @@
 @use 'webview';
 // @use 'bookmark-plus';
 @use 'fake-breadcrumb';
-@use 'database-properties';
+@use 'database-properties';
+@use 'backlink-panel';