fix: missing document entrypoints (#1663)

Co-authored-by: Marcus Schiesser <mail@marcusschiesser.de>

apps/next/typedoc.json

 {
   "plugin": ["typedoc-plugin-markdown", "typedoc-plugin-merge-modules"],
-  "entryPoints": ["../../packages/llamaindex/src/index.ts"],
+  "entryPoints": ["../../packages/**/src/index.ts"],
+  "exclude": [
+    "../../packages/autotool/**/src/index.ts",
+    "**/node_modules/**",
+    "**/dist/**",
+    "**/test/**",
+    "**/tests/**"
+  ],
   "tsconfig": "../../tsconfig.json",
   "readme": "none",
   "sourceLinkTemplate": "https://github.com/run-llama/LlamaIndexTS/blob/{gitRevision}/{path}#L{line}",