chore: add convertcase.net

Author: piquark6046

sources/banner.txt

@@ -251,6 +251,8 @@
 // @match        https://*.petitfute.com/*
 // @match        https://netzwelt.de/*
 // @match        https://*.netzwelt.de/*
+// @match        https://convertcase.net/*
+// @match        https://*.convertcase.net/*
 //
 // @description        tinyShield allows AdGuard, uBlock Origin, Brave and ABP to resist against Ad-Shield quickly.
 // @description:ko     tinyShield는 AdGuard, uBlock Origin, Brave 와 ABP가 애드쉴드에 빠르게 저항할 수 있도록 합니다.