fix: Convert vendor/pezkuwi-subxt from submodule to regular directory

vendor/pezkuwi-subxt/examples/wasm-example/index.scss

@@ -0,0 +1,102 @@
+$primary: #24cc85;
+$secondary: #1f624a;
+$dark: #242a35;
+
+* {
+  font-family: monospace;
+  color: $dark;
+}
+
+html {
+  background-color: $dark;
+  display: flex;
+  justify-content: center;
+  height: 100%;
+}
+
+h1 {
+  font-weight: bolder;
+  color: $dark;
+}
+
+body {
+  width: 800px;
+  max-width: 100%;
+  box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
+  min-height: 100%;
+  margin: 0px;
+  padding: 16px;
+  background-color: $primary;
+}
+
+p {
+  white-space: pre-wrap;
+  border-radius: 8px;
+  padding: 8px;
+  box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
+  background-color: $dark;
+  color: white;
+}
+
+button {
+  font-size: large;
+  padding: 8px 16px;
+  font-weight: bold;
+  background-color: $dark;
+  border: none;
+  border-radius: 8px;
+  color: white;
+  cursor: pointer;
+  display: block;
+  margin-top: 8px;
+}
+
+a {
+  text-decoration: none;
+}
+
+button:hover {
+  background-color: $secondary;
+}
+
+input {
+  font-size: large;
+  background-color: white;
+  color: $dark;
+  border-radius: 8px;
+  padding: 8px;
+}
+
+.mb {
+  margin-bottom: 12px;
+}
+
+small {
+  color: #24cc85;
+}
+
+.error {
+  color: red;
+  background: black;
+  padding: 8px;
+  border-radius: 8px;
+}
+
+@keyframes loading {
+  0% {
+    transform: translateX(0);
+    opacity: 1;
+  }
+  50% {
+    transform: translateX(20px);
+    opacity: 0.5;
+  }
+  100% {
+    transform: translateX(0);
+    opacity: 1;
+  }
+}
+
+.loading {
+  animation: loading 0.7s infinite;
+}