chore(scripts): add generate-config-schemas script

- Add script to generate and write config JSON schemas
- Writes UserConfig and ProjectConfig schemas to repo root

Adds a new script that generates and outputs JSON schemas for user and
project config, ensuring the schemas exist at the repository root as
JSON files.

Co-Authored-By: Ai Commit <41898282+github-actions[bot]@users.noreply.github.com>

Author: xesrevinu

scripts/generate-config-schemas.ts

@@ -0,0 +1,23 @@
+import { mkdir, writeFile } from "node:fs/promises";
+import { dirname, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+import {
+  ProjectConfigSchemaFileName,
+  UserConfigSchemaFileName,
+  projectConfigJsonSchema,
+  userConfigJsonSchema,
+} from "../src/config/file-schema.ts";
+
+const scriptDir = dirname(fileURLToPath(import.meta.url));
+const repoRoot = resolve(scriptDir, "..");
+
+const outputs = [
+  [UserConfigSchemaFileName, userConfigJsonSchema()],
+  [ProjectConfigSchemaFileName, projectConfigJsonSchema()],
+] as const;
+
+for (const [relativePath, content] of outputs) {
+  const absolutePath = resolve(repoRoot, relativePath);
+  await mkdir(dirname(absolutePath), { recursive: true });
+  await writeFile(absolutePath, `${JSON.stringify(content, null, 2)}\n`, "utf8");
+}