organization name url route conflict

[basaran]

Gitea version 1.13.6 built with GNU Make 4.1, go1.15.10 : bindata, sqlite, sqlite_unlock_notify

• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • No
  • Yes (provide example URL)

Description

Hello, it appears certain organization names can conflict with the built-in URL routes. If you create an organization named fonts for instance, and try to visit it, web server goes to limbo.

Screenshots