Add schema's for server-client commands/responses.
Remove response schema as redundant.
Fix serverCmdSchema and add testSettingsSchema.
Add the testSettingsSchema model to mongoose.
Add command submit to database and button disabling
Finish commit.
Fix formatting and add more status checking.
Fix minor errors, add updated TestSettings schema.

Also add in sliders for P, I and D settings.
Add meta to command storage.
Merge pull request #12 from MaximUS-Team/commands

Add in command infrastructure and various buttons.
Add in other features (thanks @curlychesthair92 !
Add in update test settings ability
Update branch.