feat: dispatch events

[nikophil]

I'm still planning to make this work 😅 (I recently had the need for some global event system in Foundry)

this PR only contains the "global event system", just want to see if this PR was adding overhead 🤔

[nikophil]

ok then, dispatching the events is actually the culprit

| benchmark                      | subject           | set | revs | its | mem_peak         | mode              | rstdev         |
+--------------------------------+-------------------+-----+------+-----+------------------+-------------------+----------------+
| CategoryFactoryBench           | bench_create      |     | 10   | 5   | 17.941mb +3.36%  | 6.961ms +42.50%   | ±3.15% -46.07% |
| CategoryFactoryBench           | bench_create_many | 1   | 10   | 5   | 17.953mb +3.35%  | 7.537ms +36.44%   | ±4.48% -16.12% |
| CategoryFactoryBench           | bench_create_many | 10  | 10   | 5   | 21.384mb +24.87% | 52.092ms +35.94%  | ±2.06% +80.35% |
| CategoryFactoryBench           | bench_create_many | 50  | 10   | 5   | 36.153mb +73.85% | 243.340ms +35.30% | ±1.75% +96.80% |
| ContactFactoryBench            | bench_create      |     | 10   | 5   | 17.723mb +0.85%  | 3.178ms -4.61%    | ±2.42% -15.81% |
| ContactFactoryBench            | bench_create_many | 1   | 10   | 5   | 17.727mb +0.91%  | 3.185ms +13.37%   | ±6.07% -12.84% |
| ContactFactoryBench            | bench_create_many | 10  | 10   | 5   | 18.606mb +7.91%  | 14.116ms +20.28%  | ±4.41% +96.76% |
| ContactFactoryBench            | bench_create_many | 50  | 10   | 5   | 22.726mb +31.28% | 60.565ms +23.66%  | ±0.58% -36.64% |
| PersistentDocumentFactoryBench | bench_create      |     | 10   | 5   | 16.236mb +0.47%  | 836.236μs +10.56% | ±0.97% -17.80% |
| PersistentDocumentFactoryBench | bench_create_many | 1   | 10   | 5   | 16.241mb +0.47%  | 895.347μs +15.70% | ±0.71% -8.13%  |
| PersistentDocumentFactoryBench | bench_create_many | 10  | 10   | 5   | 16.306mb +3.79%  | 5.586ms +13.52%   | ±1.29% -2.29%  |
| PersistentDocumentFactoryBench | bench_create_many | 50  | 10   | 5   | 17.939mb +13.91% | 26.747ms +15.04%  | ±0.72% -31.87% |
+--------------------------------+-------------------+-----+------+-----+------------------+-------------------+----------------+

with debug disabled:

+--------------------------------+-------------------+-----+------+-----+------------------+-------------------+----------------+
| benchmark                      | subject           | set | revs | its | mem_peak         | mode              | rstdev         |
+--------------------------------+-------------------+-----+------+-----+------------------+-------------------+----------------+
| CategoryFactoryBench           | bench_create      |     | 10   | 5   | 17.947mb -10.99% | 5.420ms +13.91%   | ±2.50% -15.17% |
| CategoryFactoryBench           | bench_create_many | 1   | 10   | 5   | 17.961mb -11.01% | 5.520ms +11.87%   | ±2.11% +60.09% |
| CategoryFactoryBench           | bench_create_many | 10  | 10   | 5   | 21.392mb -15.79% | 43.548ms +13.69%  | ±0.33% +8.49%  |
| CategoryFactoryBench           | bench_create_many | 50  | 10   | 5   | 36.161mb -26.00% | 216.228ms +17.27% | ±0.69% -45.41% |
| ContactFactoryBench            | bench_create      |     | 10   | 5   | 17.731mb -10.17% | 2.207ms +9.48%    | ±3.37% -20.87% |
| ContactFactoryBench            | bench_create_many | 1   | 10   | 5   | 17.734mb -10.17% | 2.280ms +9.94%    | ±2.59% -63.66% |
| ContactFactoryBench            | bench_create_many | 10  | 10   | 5   | 18.614mb -12.23% | 11.936ms +11.46%  | ±0.45% -66.47% |
| ContactFactoryBench            | bench_create_many | 50  | 10   | 5   | 22.734mb -17.90% | 54.064ms +13.44%  | ±0.55% -48.57% |
| PersistentDocumentFactoryBench | bench_create      |     | 10   | 5   | 16.244mb -14.02% | 767.641μs +2.56%  | ±1.72% +8.93%  |
| PersistentDocumentFactoryBench | bench_create_many | 1   | 10   | 5   | 16.248mb -14.01% | 793.903μs +0.02%  | ±2.61% +15.25% |
| PersistentDocumentFactoryBench | bench_create_many | 10  | 10   | 5   | 16.379mb -14.66% | 4.959ms +0.40%    | ±3.46% +59.38% |
| PersistentDocumentFactoryBench | bench_create_many | 50  | 10   | 5   | 18.013mb -20.50% | 23.596ms +2.66%   | ±1.35% -22.47% |
+--------------------------------+-------------------+-----+------+-----+------------------+-------------------+----------------+```