remove buckwheat from foraging, add to seed group

[NetSysFire]

Summary

Content "Buckwheat can no longer be foraged but may still be found where seeds spawn"

Purpose of change

I found a lot of buckwheat while foraging ingame and this got me curious to do research.

The result is: This commercially-grown buckwheat is absolutely not native to Massachusetts. These are like the peanut bushes we had from the whales era: they show up for groundnuts when you google them, but are absolutely not those groundnuts. And this "buckwheat" is Fallopia convolvulus, black bindweed. I did a lot of research the past two hours and the result of that is that some bindweed species were cultivated by native peoples on the great plains and black bindweed is an ancient crop from the bronze age.

Black bindweed has tiny seeds and is very fiddly to work with it appears. Plus there is absolutely no nutritional info, so implementing this ingame would take a lot of guessing for something as small and irrelevant as black bindweed.

Describe the solution

Can not be foraged anymore but can be found in the farming seeds group. This officially turns it into the cultivated variety, exclusively. One godco quest uses buckwheat, so this is why I moved it into the seed group. This will make the quest considerably harder and maybe its better to replace buckwheat in that quest with another crop like wheat or even the native ground nuts.

Describe alternatives you've considered

I looked at getting rid of buckwheat altogether but that would be very complex and buckwheat is a plausible commercial crop to appear and it has many uses. So the wild bindweed here is the odd one out.

Testing

None needed, this just modifies weighted lists. Only consideration is balance, which I explained above.

Additional context

Sources:

• https://archive.org/details/historyfolklore00timo/page/56/ (needs archive.org account and you need to borrow the book)
• https://www.wildflowersofireland.net/plant_detail.php?id_flower=421
• https://en.wikipedia.org/wiki/Fallopia_convolvulus#Cultivation_and_uses
• https://gobotany.nativeplanttrust.org/species/fallopia/convolvulus/
• I went through at least a dozen more sites and looked at multiple species at this genus, but that would clutter this list.