Add frontend validation for TextInput()s

- Add input validation regexes to input_validations.js
- Add those validators to text fields without validaiton

templates/components/clin_fields.html

@@ -41,7 +41,7 @@
         <div class="form-row">
           <div class="form-col">
             {% if fields %}
-              {{ TextInput(fields.number, optional=False) }}
+              {{ TextInput(fields.number, validation='clinNumber', optional=False) }}
             {% else %}
               <textinput :name="'clins-' + clinIndex + '-number'" inline-template>
                 <div v-bind:class="['usa-input usa-input--validation--' + validation, { 'usa-input--error': showError, 'usa-input--success': showValid, 'usa-input--validation--paragraph': paragraph, 'no-max-width': noMaxWidth }]">