fix: expand markdown paste width

Author: PeroSar

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "rustbin"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2024"
 default-run = "rustbin"
 

Cargo.toml

@@ -365,7 +365,7 @@ body > hr {
     padding: 32px 40px;
     line-height: 1.6;
     word-wrap: break-word;
-    max-width: 900px;
+    width: 100%;
     /* Same viewport-height scroll container as .paste-content. */
     height: calc(100vh - var(--footer-h));
     height: calc(100dvh - var(--footer-h));