Link to the installation instructions on the Contributing page returns 404.

[puffybsd]

• Gitea version (or commit ref): fd941db
• Git version: 2.11.1
• Operating system: Arch Linux
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • [ x] SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • [ x] Yes (provide example URL)
  • No
  • Not relevant
• Log gist:

Description

Link to installation on the CONTRIBUTING.md page generates a 404.

Screenshots

(discussed on gitter, sending pull request).
If regarding the Web Interface, please include a screenshot