Add NotFound page

src/pages/NotFound.jsx

@@ -0,0 +1,26 @@
+export default function NotFound() {
+  return (
+    <div className="p-3 space-y-2">
+      <p>hey there!</p>
+
+      <p>looking for something you couldn&apos;t find?</p>
+      <p>
+        <a className="text-blue-600" href="mailto:drawdb@outlook.com">
+          shoot us an email
+        </a>{" "}
+        or{" "}
+        <a
+          className="text-blue-600"
+          href="https://discord.com/invite/8y7XUfcqR8"
+        >
+          a message on discord
+        </a>
+      </p>
+      <br />
+      <p className="opacity-70">
+        * to create a relationship hold the blue dot of a field and drag it
+        towards the field you want to connect it to
+      </p>
+    </div>
+  );
+}