diff --git a/src/store/index.js b/src/store/index.js
index c951d810e0..b7d1dcec76 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -11,5 +11,5 @@ export const store = configureStore({
     messages: messageReducer,
     text: textReducer,
     submit: submitReducer,
-  },
+  }
 });
\ No newline at end of file
diff --git a/src/style.css b/src/style.css
index 01283088fa..22e8101e06 100644
--- a/src/style.css
+++ b/src/style.css
@@ -194,4 +194,4 @@ button {
 }
 .btn-small {
   padding: 0.25rem 0.5rem;
-}
+}
\ No newline at end of file
diff --git a/use_case.png b/use_case.png
new file mode 100644
index 0000000000..7b51a36eef
Binary files /dev/null and b/use_case.png differ