Add PRNG functions for all languages

[johnsaigle]

• JavaScript - Math.random d7b097b
• Go - math/rand d7b097b
• PHP
• Perl
• Rust (28a0912)
• Python
• C
• C++

[johnsaigle]

Some PHP calls are covered https://github.com/johnsaigle/scary-strings/blob/main/wordlists/php/randomness

PHP has documentation related to this here: https://www.php.net/manual/en/book.random.php. Should review and add wordlist entries for all non-cryptographic RNG.

[johnsaigle]

This is a list of different PRNGs (non-cryptographic) in Rust's random crate:
https://rust-random.github.io/book/guide-rngs.html#basic-pseudo-random-number-generators-prngs

[johnsaigle]

mt19937 for C++