What do I do next? Please help!

I germinated my seeds in a paper towel and a Tupperware, after they were done(2-3 days). Than I planted them in miracle grow potting soil since it has some of the nutrients, just a Lower amount And perlite. They are in Solo cups. After one day they started growing! My question is: after switching to a bigger pot and using miracle grow soil with perlite and bone meal, what do I do with it? What's next after that?? This is my first time. I'm not trying to get amazing top quality bud, just something good and worth it. Please help, and please no hate about this. I'm new at it.

I'd mix that potting soil with a few other things to make a good soil mix

1/4 potting soil
1/4 perlite
Handful of blood bone meal per gal
a table spoon of potash per gal
Tablespoon of dolomite lime per gal( very important for ph)
And the rest chicken and sheep ,cow manure. If possible make up this soil mix and keep it damp and let it sit for a month or two. That should grow you some nice plants without any fancy nutrients.