move static files in their respective application

counter/static/counter/css/activity.scss

@@ -0,0 +1,24 @@
+.activity-description {
+  display: flex;
+  flex-direction: column;
+  gap: 5px;
+  width: 100%;
+  margin-top: 10px;
+
+  > div {
+    display: flex;
+    flex-direction: row;
+    gap: 10px;
+
+    > span {
+      text-align: left;
+    }
+
+    > i {
+      width: 16px;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+    }
+  }
+}