fix: use title case for section titles

Author: pi0

package.json

@@ -36,7 +36,7 @@
     "citty": "^0.1.5",
     "consola": "^3.2.3",
     "magic-string": "^0.30.7",
-    "scule": "^1.2.0",
+    "scule": "^1.3.0",
     "untyped": "^1.4.2"
   },
   "devDependencies": {
@@ -50,4 +50,4 @@
     "unbuild": "^2.0.0"
   },
   "packageManager": "pnpm@8.12.1"
-}
+}

pnpm-lock.yaml

@@ -1,7 +1,7 @@
 import { resolve } from "node:path";
 import { loadSchema } from "untyped/loader";
 import type { Schema } from "untyped";
-import { upperFirst } from "scule";
+import { titleCase } from "scule";
 import { defineGenerator } from "../generator";
 
 export default defineGenerator({
@@ -91,7 +91,7 @@ function renderSchema(schema: Schema, opts: { headingLevel: number }) {
     return a.localeCompare(b);
   })) {
     if (group) {
-      lines.push(`${"#".repeat(opts.headingLevel)} ${upperFirst(group)}`, "");
+      lines.push(`${"#".repeat(opts.headingLevel)} ${titleCase(group)}`, "");
     }
     for (const item of sections[group].sort((i1, i2) =>
       i1[0].localeCompare(i2[0]),