chore: improve types (#115)

* wip: improve types

* feat: improve types

* Apply suggestions from code review

Co-authored-by: Sylvain Marroufin <marroufin.sylvain@gmail.com>

* chore: update

* chore: enable ci typecheck

* chore: fix

Co-authored-by: Sylvain Marroufin <marroufin.sylvain@gmail.com>

build.config.ts

@@ -0,0 +1,12 @@
+import fs from 'node:fs/promises'
+import { join, resolve } from 'node:path'
+import { defineBuildConfig } from 'unbuild'
+
+export default defineBuildConfig({
+  hooks: {
+    'rollup:done': async (ctx) => {
+      // copy env.d.ts to dist
+      await fs.copyFile(resolve('src/env.d.ts'), join(ctx.options.outDir, 'env.d.ts'))
+    }
+  }
+})