CODE_OF_CONDUCT.md

I hoped to avoid slapping around a CoC, but then we needed one.

Restricted Behavior

• Posting for or about files that were obtained by illegal means.
• Sharing backups, keys, etc that could be mistaken for piracy.
• Posting solely for the purpose of insult, slander, degradation.
• Sale, distribution or misuse of files created by or with TagMo.