chore: Move everything into package/ (#1745)

* Move everything into package

* Remove .DS_Store

* Move scripts and eslintrc to package

* Create CODE_OF_CONDUCT.md

* fix some links

* Update all links (I think)

* Update generated docs

* Update notice-yarn-changes.yml

* Update validate-android.yml

* Update validate-cpp.yml

* Delete notice-yarn-changes.yml

* Update validate-cpp.yml

* Update validate-cpp.yml

* Update validate-js.yml

* Update validate-cpp.yml

* Update validate-cpp.yml

* wrong c++ style

* Revert "wrong c++ style"

This reverts commit 55a3575589c6f13f8b05134d83384f55e0601ab2.

docs/package.json

@@ -3,7 +3,6 @@
   "version": "0.0.0",
   "private": true,
   "scripts": {
-    "postinstall": "yarn install --cwd ..",
     "docusaurus": "docusaurus",
     "start": "TYPEDOC_WATCH=true docusaurus start",
     "build": "docusaurus build",