Add character counter for corpus form.

app/templates/main/dashboard.html.j2

@@ -94,7 +94,7 @@
         <div class="col s12 m4">
           <div class="input-field">
             <i class="material-icons prefix">title</i>
-            {{ create_corpus_form.title() }}
+            {{ create_corpus_form.title(data_length='32') }}
             {{ create_corpus_form.title.label }}
             {% for error in create_corpus_form.title.errors %}
               <span class="helper-text red-text">{{ error }}</span>
@@ -104,7 +104,7 @@
         <div class="col s12 m8">
           <div class="input-field">
             <i class="material-icons prefix">description</i>
-            {{ create_corpus_form.description() }}
+            {{ create_corpus_form.description(data_length='255') }}
             {{ create_corpus_form.description.label }}
             {% for error in create_corpus_form.description.errors %}
               <span class="helper-text red-text">{{ error }}</span>