add donation info in README

README.md

@@ -150,13 +150,16 @@ Please refer to the [shortcuts help](src/resources/docs/shortcuts_en.md) in the
 ## Highly Configurable
 In VNote, almost everything is configurable, such as background color, font, and Markdown style. VNote uses a plaintext file to record all your configuration, so you could just copy that file to initialize a new VNote on another computer.
 
-## Others
+# Donate
-VNote also supports many other features, like:
+You could help VNote's development in may ways.
 
-- Highlight current cursor line;
+- Keep monitoring VNote and sending feedback for improvement.
-- Highlight selected text;
+- Spread and promote VNote to your friends. Popularity is a strong power to drive developers.
-- Powerful search within the note;
+- Participate in the development of VNote and send PullRequest to make VNote perfect.
-- Auto indent and auto list;
+- Last, really appreciate your donate to VNote if you think VNote really helps you and you want to help VNote.
+    - PayPal: [PayPal.Me/tamlok](https://paypal.me/tamlok)
+    - Alipay: tamlokveer@gmail.com  
+    ![Alipay](screenshots/alipay.png)
 
 # Dependencies
 - [Qt 5.9](http://qt-project.org) (L-GPL v3)

README_zh.md

@@ -153,13 +153,16 @@ VNote提供很多快捷键，从而提供一个愉悦的编辑体验。其中包
 ## 高度可定制
 VNote中，几乎一切都是可以定制的，例如背景颜色、字体以及Markdown样式等。VNote使用一个纯文本文件来记录您的所有配置，因此通过拷贝该文件就能够很快地在另一台电脑上初始化一个新的VNote。
 
-## 其他
+# 捐赠
-VNote还支持其他很多的功能，比如：
+您可以通过很多途径帮助VNote的开发。
 
-- 高亮当前行；
+- 持续关注VNote并反馈；
-- 高亮所选择的文本；
+- 向您的朋友们推广和传播VNote。普及度是驱动开发者的一股强大力量。
-- 强大的页内查找；
+- 参与到VNote的开发中，发送PullRequest来帮助VNote变得更完美。
-- 自动缩进和自动列表；
+- 最后，非常感谢您的捐赠如果您觉得VNote真的帮助到您并且想回馈VNote。
+    - PayPal: [PayPal.Me/tamlok](https://paypal.me/tamlok)
+    - 支付宝: tamlokveer@gmail.com  
+    ![Alipay](screenshots/alipay.png)
 
 # 依赖
 - [Qt 5.9](http://qt-project.org) (L-GPL v3)

src/vmainwindow.cpp

@@ -890,7 +890,7 @@ void VMainWindow::initMarkdownMenu()
 
     initCodeBlockStyleMenu(markdownMenu);
 
-    QAction *constrainImageAct = new QAction(tr("Constrain The Width of Images"), this);
+    QAction *constrainImageAct = new QAction(tr("Constrain The Width Of Images"), this);
     constrainImageAct->setToolTip(tr("Constrain the width of images to the window in read mode (re-open current tabs to make it work)"));
     constrainImageAct->setCheckable(true);
     connect(constrainImageAct, &QAction::triggered,