add prettier and reformat all files

src/index.css

@@ -7,17 +7,16 @@
 body {
     margin: 0;
     font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
-    'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans',
-    'Helvetica Neue', sans-serif;
+        'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans',
+        'Helvetica Neue', sans-serif;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
     box-sizing: border-box;
-
 }
 
 code {
     font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
-    monospace;
+        monospace;
 }
 
 [data-theme='1'] {
@@ -68,7 +67,6 @@ code {
     --success: #16a34a;
     --warning: #d97706;
     --error: #dc2626;
-
 }
 
 html {