rearrange source/header files for compatibility with CocoaPods Framework structure

ios/Classes/PolyvoxFilamentPlugin.m

@@ -1,63 +0,0 @@
-#import "PolyvoxFilamentPlugin.h"
-#if __has_include(<polyvox_filament/polyvox_filament-Swift.h>)
-#import <polyvox_filament/polyvox_filament-Swift.h>
-#else
-// Support project import fallback if the generated compatibility header
-// is not copied when this plugin is created as a library.
-// https://forums.swift.org/t/swift-static-libraries-dont-copy-generated-objective-c-header/19816
-#import "polyvox_filament-Swift.h"
-#endif
-
-@implementation PolyvoxFilamentPlugin
-+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
-  [SwiftPolyvoxFilamentPlugin registerWithRegistrar:registrar];
-}
-@end
-
-// - (ResourceBuffer)loadResource:(const char* const)path {
-//     NSString* p = [NSString stringWithFormat:@"%s", path];
-//     NSString* key = [_registrar lookupKeyForAsset:p];
-//     NSString* nsPath = [[NSBundle mainBundle] pathForResource:key
-//                                                       ofType:nil];
-//     if (![[NSFileManager defaultManager] fileExistsAtPath:nsPath]) {
-//         NSLog(@"Error: no file exists at %@", p);
-//         exit(-1);
-//     }
-
-//     NSData* buffer = [NSData dataWithContentsOfFile:nsPath];
-//     void* cpy = malloc([buffer length]);
-//     memcpy(cpy, [buffer bytes],  [buffer length]); // can we avoid this copy somehow?
-//     _resourceId++;
-//     ResourceBuffer rbuf(cpy, [buffer length], _resourceId);
-//     return rbuf;
-// }
-
-// - (void)freeResource:(ResourceBuffer)rb {
-//     free((void*)rb.data);
-// }
-
-// - (void)ready {
-//   [_channel invokeMethod:@"ready" arguments:nil];
-// }
-
-// - (NSMutableArray*) getAnimationNames { 
-//     unique_ptr<vector<string>> list = _viewer->getAnimationNames();
-//     NSMutableArray* asArray = [NSMutableArray arrayWithCapacity:list->size()];
-//     for(int i = 0; i < list->size(); i++) {
-//       asArray[i] = [NSString stringWithFormat:@"%s", list->at(i).c_str()];
-//     }
-//     return asArray;
-// }
-
-// - (NSMutableArray*) getTargetNames:(NSString*) meshName {
-//   unique_ptr<vector<string>> list = _viewer->getTargetNames([meshName UTF8String]);
-//   NSMutableArray* asArray = [NSMutableArray arrayWithCapacity:list->size()];
-//   for(int i = 0; i < list->size(); i++) {
-//     asArray[i] = [NSString stringWithFormat:@"%s", list->at(i).c_str()];
-//   }
-//   return asArray;
-// }
-
-// @end
-
-// @end