Accomp. edit form: difficulty is now a number field

Fixes #15

app/main.py

@@ -1,7 +1,9 @@
 from flask import Blueprint, render_template, redirect, url_for, abort, request
 from flask_login import current_user, login_required
 from flask_wtf import FlaskForm
-from wtforms import StringField, SubmitField, IntegerField
+from wtforms import StringField, SubmitField
+from wtforms.fields.html5 import IntegerField
+from wtforms.widgets.html5 import NumberInput
 from wtforms.validators import DataRequired, Length, NumberRange
 from .db import db, Accomplishment
 from datetime import datetime, timedelta
@@ -137,6 +139,7 @@ class EditForm(FlaskForm):
     )
     difficulty = IntegerField(
         'Difficulty (XP)',
+        widget=NumberInput(min=-100, max=100),
         validators=[DataRequired(), NumberRange(max=100, min=-100)]
     )
     submit = SubmitField('Save')

app/templates/main/edit.html

@@ -14,7 +14,7 @@
         {% endif %}>
         {{ form.csrf_token }}
         {{ render_field(form.text) }}
-        {{ render_field(form.difficulty, mb="mb-6") }}
+        {{ render_field(form.difficulty, mb="mb-6", autocomplete="off") }}
         <div class="text-center">
             {{ render_field(form.submit, False, mb="mb-1", class_="btn btn-blue btn-center btn-wide") }}
             <a href="{{ cancel }}" class="text-xs link">cancel</a>