chore: seperate into packages

packages/query-dsl/scripts/generate-diagram.mjs

@@ -0,0 +1,13 @@
+import { createSyntaxDiagramsCode } from 'chevrotain';
+
+import { QueryParser } from '../dist/exports.js';
+import { mkdir, writeFile } from 'node:fs/promises';
+import { resolve } from 'node:path';
+
+const rootPath = resolve('./docs/diagram');
+const parser = new QueryParser();
+const diagram = createSyntaxDiagramsCode(parser.getSerializedGastProductions());
+
+await mkdir(rootPath, { recursive: true });
+
+await writeFile(resolve(rootPath, 'index.html'), diagram);