Concluded the Ulrich scene

As is my way, again - there was a donation yesterday, so there is a new update today. Thank you for supporting the development of Stars!

As is also my way, this was going to be "just concluding the current scene"-update, but there were also some other additions, as follows:

- One of the earlier flags was completely broken, so there were actually some paths in the mushing sequence that were completely inaccessible. Sorry about that! (Spoilers: it has to do with your height if you choose to become a musher yourself.)

- Added first polyamory flags to the script! Exciting!

- Fixed typos! Embarrassing!

Until the next time! The plot is starting to plot <3