Update README.md

fix seed error;

upgrade nuget package;

remove tool from admin;

move Dotnet9.Tools to Dotnetools repository;

add oauth config;

Update Dotnet9.Core.csproj

fix autofocus;

fix account pwd;

remove vue ssr project;

fix cover;

Update eta-calculator.vue

fix shortslug and add cache to get article;

fix toc height;

fix login;