Update License Links

[nlordell]

I noticed while perusing that the soft-links to the LICENSE-* files were bad. This is likely a left-over artifact from when we moved all our crates to crates/*.

This PR does serveral things:

• Fixes the existing LICENSE-* soft-links.
• Adds license information to new crates that were missing them
• Fixes up the authors tag to correctly reflect the "CoW-team-only" crates (i.e. crates that were created after the spin-off)
• mv number_conversions number-conversions just so it is consistent with our other crate package names and the Rust naming standard (I was messing with file paths anyway). Note that this doesn't cause any code changes because a crate package named foo-bar is linked as a crate library foo_bar.

Test Plan

% for d in crates/*; do ls $d/LICENSE-* 1>/dev/null; done
% for f in $(fd 'LICENSE-*'); do cat $f 1>/dev/null; done

Notice no errors!

Before this PR, you would get the following errors in ZSH:

% git checkout main
% for d in crates/*; do ls $d/LICENSE-* 1>/dev/null; done
zsh: no matches found: crates/alerter/LICENSE-*
zsh: no matches found: crates/autopilot/LICENSE-*
zsh: no matches found: crates/database/LICENSE-*
zsh: no matches found: crates/driver/LICENSE-*
zsh: no matches found: crates/global-metrics/LICENSE-*
zsh: no matches found: crates/number_conversions/LICENSE-*
zsh: no matches found: crates/testlib/LICENSE-*
% for f in $(fd 'LICENSE-*'); do cat $f 1>/dev/null; done
cat: ./crates/contracts/LICENSE-APACHE: No such file or directory
cat: ./crates/contracts/LICENSE-MIT: No such file or directory
cat: ./crates/e2e/LICENSE-APACHE: No such file or directory
cat: ./crates/e2e/LICENSE-MIT: No such file or directory
cat: ./crates/model/LICENSE-APACHE: No such file or directory
cat: ./crates/model/LICENSE-MIT: No such file or directory
cat: ./crates/orderbook/LICENSE-GPL: No such file or directory
cat: ./crates/shared/LICENSE-APACHE: No such file or directory
cat: ./crates/shared/LICENSE-MIT: No such file or directory
cat: ./crates/solver/LICENSE-GPL: No such file or directory

[MartinquaXD]

Looks reasonable to me but I would trust you on this one. 🙈