Add Keys to Github/Gitea

Github

1. Settings
2. SSH and GPG keys
3. New GPG Key
4. Paste in the public key block
5. Add GPG Key
6. Turn on Vigilant mode

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Gitea

1. Settings
2. SSH / GPG Keys
3. Add Key
4. Paste in the public key block
5. Add Key
6. Verify

Screenshot: