Update files

software/UI_upgrade_by_createskyblue/Program/1.8/1.8t1/README.txt

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+*1.8t1  国庆节更新目标*
+
+1.调整简约模式的界面设计
+2.加入编码器方向设定界面
+
+3.加入自定义界面模式

software/UI_upgrade_by_createskyblue/Program/readme.txt

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+*重要提示 Important note
+
+版本号含有"t"的代表是测试版本，不稳定不推荐上传
+A version number with a "t" indicates a test version, and unstable uploads are not recommended
+
+版本号含有多个"+" 代表是改进版本
+The version number contains multiple "+" to indicate an improved version
+
+Upload:
+固件上传指令
+avrdude -c usbtiny -p m328p -V -U lfuse:w:0xff:m -U hfuse:w:0xdb:m -U efuse:w:0xfd:m
+avrdude -c usbtiny -p m328p -U flash:w:<name>.hex
+
+Libraries:
+用到的库文件
+https://github.com/createskyblue/Arduboy2/
+https://github.com/mblythe86/C-PID-Library/tree/master/PID_v1