Add a line to credit 37signals

app/assets/images/37signals.svg

@@ -0,0 +1 @@
+<svg height="37" viewBox="0 0 37 37" width="37" xmlns="http://www.w3.org/2000/svg"><g fill="currentColor"><path d="m35.4812 22.164c2.0248-2.0239 2.0248-5.3007-.0003-7.3248-2.0198-2.0258-5.301-2.0258-7.319.0007-2.0281 2.0232-2.0292 5.3012 0 7.3241 2.017 2.0215 5.2989 2.0221 7.3193 0z"></path><path d="m22.1611 8.84334c2.0249-2.02387 2.0249-5.30008-.0002-7.32415-2.0198-2.02571-5.301-2.025711-7.319.00075-2.0281 2.02309-2.0292 5.30112 0 7.32404 2.017 2.02152 5.2989 2.02152 7.3192-.00064z"></path><path d="m14.8417 35.4878c-2.0004-1.9957-1.9608-5.2847 0-7.3054 1.6632-1.6643 1.6633-4.3568 0-6.0182-1.6514-1.6494-4.3462-1.6166-6.01902 0-2.01326 2.0137-5.29117 2.0138-7.30726 0-2.000628-1.9982-1.960613-5.3031.00011-7.3247 1.64664-1.6469 1.614-4.3531 0-6.02035-2.020627-2.01857-2.020787-5.2857 0-7.30443 2.01572-2.019741 5.29428-2.019741 7.30798.00069 2.00119 1.99779 1.96109 5.28187-.0009 7.30374-1.6608 1.66305-1.6608 4.35645.00061 6.02035 1.65198 1.6478 4.34698 1.6154 6.01848 0 2.0158-2.0162 5.3064-2.0167 7.3201 0 2.004 1.9963 1.9646 5.3019 0 7.3247-1.6606 1.661-1.6615 4.354 0 6.0188 2.0241 2.0154 2.0252 5.2892 0 7.3055-2.0128 2.0155-5.3039 2.0155-7.3201-.0007z"></path></g></svg>

app/assets/stylesheets/icons.css

@@ -18,6 +18,7 @@
     background: none;
   }
 
+  .icon--37signals { --svg: url("37signals.svg"); }
   .icon--add { --svg: url("add.svg "); }
   .icon--add--meta { --svg: url("add--meta.svg "); }
   .icon--arrow-left { --svg: url("arrow-left.svg "); }

app/views/my/menus/show.html.erb

@@ -22,6 +22,12 @@
   </div>
 
   <%= render "filters/menu/hotkeys" %>
+
+  <div class="margin-block-start-half txt-x-small flex-inline align-center gap-half justify-center txt-subtle">
+    <span>Boxcar is designed, built, and backed by</span>
+    <strong><%= icon_tag "37signals" %> <a href="https://37signals.com" target="_blank" class="txt-subtle">37signals</a>.</strong>
+  </div>
+
   <%= render "filters/menu/custom", filters: @user_filtering.filters %>
   <%= render "filters/menu/collections", user_filtering: @user_filtering %>
   <%= render "filters/menu/tags", user_filtering: @user_filtering %>