Apply color scheme on add corpus file page

web/app/templates/corpora/query_results/add_query_result.html.j2

 {% extends "nopaque.html.j2" %}
+{% from '_colors.html.j2' import colors %}
 {% import 'materialize/wtf.html.j2' as wtf %}
 
+{% set scheme_primary_color = colors.corpus_analysis_darken %}
+{% set scheme_secondary_color = colors.corpus_analysis %}
+
+{% block main_attribs %} class="corpus-analysis-color lighten"{% endblock main_attribs %}
+
 {% block page_content %}
 <div class="container">
   <div class="row">