fix: add docgen.mjs

Author: DuroCodes

apps/docs/src/utils/docgen.mjs

@@ -0,0 +1,8 @@
+import { createDocumentation } from 'typedoc-nextra';
+
+await createDocumentation({
+  input: [`${process.cwd()}/../../packages/handler/src/index.ts`],
+  output: `${process.cwd()}/src/pages/docs/api`,
+  tsconfigPath: `${process.cwd()}/../../packages/handler/tsconfig-base.json`,
+  markdown: true,
+});