Having a Japanese word as a project name sounds very childish when not
I am not Japanese myself.

Using a conlang is childish too when I don't know any words in it? I
refuse to believe that.

Currently it's fragile like using it with invalid file path will give
a garbage code, but I'm pretty much the only user anyways. Use keepass
or pass if you want robustness.

I sometimes forget to copy-paste the passwords and usernames I
generate, so this should help with that. Uses the random string
generator script I made before by default.

Angou no longer strictly depends on age or gnupg as the encrypt and decrypt
commands are user changeable.

In contrib because it's sort of an extension to angou instead of
actually a part of it.

Also primary selection clipboard yay.

File wasn't encrypted before and was stored in plaintext under a
gpg extension

Also added some checks for arguments into view, copy, and edit
commands, and usage is printed if the checks fail.