Generalize IntegerSetting into NumberSetting, add Integer/Float wrappers

src/components/settings_modal/helpers/float_setting.vue

@@ -0,0 +1,16 @@
+<template>
+  <NumberSetting
+    v-bind="$attrs"
+  >
+    <slot />
+  </NumberSetting>
+</template>
+
+<script>
+import NumberSetting from './number_setting.vue'
+export default {
+  components: {
+    NumberSetting
+  }
+}
+</script>