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.

package/src/JSIHelper.ts

@@ -0,0 +1,12 @@
+import { CameraRuntimeError } from './CameraError';
+
+export function assertJSIAvailable(): void {
+  // Check if we are running on-device (JSI)
+  // @ts-expect-error JSI functions aren't typed
+  if (global.nativeCallSyncHook == null) {
+    throw new CameraRuntimeError(
+      'system/frame-processors-unavailable',
+      'Failed to initialize VisionCamera Frame Processors: React Native is not running on-device. Frame Processors can only be used when synchronous method invocations (JSI) are possible. If you are using a remote debugger (e.g. Chrome), switch to an on-device debugger (e.g. Flipper) instead.',
+    );
+  }
+}