Fix icon ref in open graph https://git.debu.gs/gitweb/?p=io10;a=commitdiff;h=6bc3e65a5bfc3ff90b6dafc9dea623d01f942259 code, git.debu.gs | 2023-09-17 09:54:17 +0000 GMT | No.1498 Fix icon ref in open graph [DH] index.html