feat(proofs): some proofs

src/components/Pseudocode.astro

@@ -0,0 +1,41 @@
+---
+interface Props {
+  code: string;
+}
+
+const lines = Astro.props.code
+  .trim()
+  .split(/\r?\n/);
+---
+<style lang="css">
+  .pseudocode-block {
+    font-family: "Times New Roman", serif;
+    font-size: 1rem;
+    line-height: 1.6;
+  }
+  .pseudocode-line {
+    display: flex;
+    white-space: pre-wrap;
+  }
+  .line-number {
+    width: 2em;
+    text-align: right;
+    margin-right: 1em;
+    user-select: none;
+  }
+  .line-content {
+    flex: 1;
+  }
+</style>
+
+  { console.log(lines) }
+
+<pre class="pseudocode-block">
+  {lines.map((line, i) => (
+    <div class="pseudocode-line" key={i}>
+      <span class="line-number">{i + 1}.</span>
+      <span class="line-content">{line}</span>
+    </div>
+  ))}
+</pre>
+