ui tweaks, admin form

api/forms.py

@@ -1,5 +1,5 @@
 from flask_wtf import FlaskForm
-from wtforms import SubmitField, IntegerField, RadioField
+from wtforms import SubmitField, IntegerField, RadioField, StringField
 from wtforms.validators import DataRequired, NumberRange
 
 class GuessForm(FlaskForm):
@@ -13,3 +13,10 @@ class GuessForm(FlaskForm):
 class PlayForm(FlaskForm):
     card = RadioField('Vyber kartu', validators=[DataRequired(message='Musíš vybrať kartu')])
     submit = SubmitField('Zahraj')
+
+class AdminForm(FlaskForm):
+    player0 = StringField('0', validators=[DataRequired()])
+    player1 = StringField('1', validators=[DataRequired()])
+    player2 = StringField('2', validators=[DataRequired()])
+    player3 = StringField('3', validators=[DataRequired()])
+    submit = SubmitField()