Resolve "Implement json schema parser"

Closes #38 (closed)

src/assets/main.css

@@ -14,3 +14,13 @@ body {
 .cursor-pointer {
     cursor: pointer;
 }
+
+.helpTextCode > pre {
+    border: thin solid var(--bs-secondary);
+    border-radius: var(--bs-border-radius);
+    background: var(--bs-dark);
+    filter: brightness(0.9);
+    padding: 1rem;
+    margin: 1em 2em;
+    color: var(--bs-code-color);
+}