【文档，自述】添加新方案演示图片

在中英文 README 文档中添加了新方案演示图片，
展示了字体显示效果的改进。

Author: PJ-568

README.en.md

@@ -77,6 +77,7 @@ Given the high difficulty of finding or designing "tall, thin half-width monospa
 2. Display all half-width characters with integer scaling doubled, while full-width characters are displayed at their original scaling ratio with padded blank lines above and below.
 
    ![Half-width scaling, full-width complement](assets/Half-width_characters_extended__full-width_characters_complemented.svg)
+   ![New approach look](assets/display_new.png)
    ![Half-width scaling, full-width complement font-cengluan performance in btop](assets/btop.png)
 
 Although each full-width character is still separated on the right by a [32nd character](#the-32nd-character), font-cengluan achieves a relatively balanced visual appearance overall.

README.md

@@ -81,6 +81,7 @@ cengluan 是一个为 Linux 设计的中文 TTY 字体，旨在在不安装诸
 2. 将所有半角字符整数缩放二倍显示，全角字符在补全上下空行的情况下以原缩放比例显示。
 
    ![半角放大、全角补全](assets/Half-width_characters_extended__full-width_characters_complemented.svg)
+   ![新方案演示](assets/display_new.png)
    ![半角放大、全角补全 font-cengluan 在 btop 下的表现](assets/btop.png)
 
 虽每个全角字符右侧仍被一个[第三十二个字符](#第三十二个字符)隔开，font-cengluan 在总体视觉上达到相对平衡。

VERSION

@@ -1 +1 @@
-3.1.0
+3.1.1