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/ios/Frame Processor/FrameProcessorPluginRegistry.m

@@ -0,0 +1,46 @@
+//
+//  FrameProcessorPluginRegistry.m
+//  VisionCamera
+//
+//  Created by Marc Rousavy on 24.03.21.
+//  Copyright © 2021 mrousavy. All rights reserved.
+//
+
+#import "FrameProcessorPluginRegistry.h"
+#import <Foundation/Foundation.h>
+
+@implementation FrameProcessorPluginRegistry
+
++ (NSMutableDictionary<NSString*, PluginInitializerFunction>*)frameProcessorPlugins {
+  static NSMutableDictionary<NSString*, PluginInitializerFunction>* plugins = nil;
+  if (plugins == nil) {
+    plugins = [[NSMutableDictionary alloc] init];
+  }
+  return plugins;
+}
+
++ (void)addFrameProcessorPlugin:(NSString*)name
+                withInitializer:(PluginInitializerFunction)pluginInitializer {
+  BOOL alreadyExists =
+      [[FrameProcessorPluginRegistry frameProcessorPlugins] valueForKey:name] != nil;
+  NSAssert(!alreadyExists,
+           @"Tried to add a Frame Processor Plugin with a name that already exists! Either choose "
+           @"unique names, or "
+           @"remove the unused plugin. Name: %@",
+           name);
+
+  [[FrameProcessorPluginRegistry frameProcessorPlugins] setValue:pluginInitializer forKey:name];
+}
+
++ (FrameProcessorPlugin*)getPlugin:(NSString* _Nonnull)name
+                       withOptions:(NSDictionary* _Nullable)options {
+  PluginInitializerFunction initializer =
+      [[FrameProcessorPluginRegistry frameProcessorPlugins] objectForKey:name];
+  if (initializer == nil) {
+    return nil;
+  }
+
+  return initializer(options);
+}
+
+@end