Add Known Issues Page

src/app/pages/main/main.scss

@@ -0,0 +1,22 @@
+.container {
+  padding: 40px;
+  max-width: 600px;
+  margin: 0 auto;
+}
+
+section {
+  margin-bottom: 40px;
+  padding: 20px;
+  border: 2px solid rgba(0, 0, 0, 0.2);
+  border-radius: 8px;
+}
+
+section#dropdown-test {
+  dropdown {
+    width: 324px;
+  }
+}
+
+.test-container {
+  max-width: 100%;
+}