add edit button to edit the bio

code/frontend/src/components/ButtonPrimary.tsx

@@ -0,0 +1,18 @@
+import "./buttonPrimary.css";
+
+interface ButtonPrimaryProps {
+  value: string;
+  onClick?: () => void;
+}
+
+export default function ButtonPrimary({ value, onClick }: ButtonPrimaryProps) {
+  return (
+    <button
+      type="submit"
+      className="login-button body-m"
+      onClick={onClick}
+    >
+      {value}
+    </button>
+  );
+}