rtmp: add new AMF0 encoder and encoder

[aler9]

This improves performance, security and removes a dependency.

[codecov]

Codecov Report

Attention: Patch coverage is 88.17481% with 46 lines in your changes are missing coverage. Please review.

Project coverage is 55.48%. Comparing base (e06155b) to head (92b3093).

Files	Patch %	Lines
internal/protocols/rtmp/amf0/marshal.go	89.14%	10 Missing and 4 partials ⚠️
internal/protocols/rtmp/amf0/object.go	50.00%	9 Missing and 4 partials ⚠️
internal/protocols/rtmp/amf0/unmarshal.go	97.52%	2 Missing and 1 partial ⚠️
internal/protocols/rtmp/message/command_amf0.go	76.92%	2 Missing and 1 partial ⚠️
internal/protocols/rtmp/message/data_amf0.go	62.50%	2 Missing and 1 partial ⚠️
...ternal/protocols/rtmp/message/extended_metadata.go	0.00%	2 Missing ⚠️
...ls/rtmp/message/extended_mpeg2ts_sequence_start.go	0.00%	2 Missing ⚠️
...al/protocols/rtmp/message/extended_sequence_end.go	0.00%	2 Missing ⚠️
...ernal/protocols/rtmp/message/set_peer_bandwidth.go	0.00%	2 Missing ⚠️
...rnal/protocols/rtmp/message/set_window_ack_size.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3069      +/-   ##
==========================================
+ Coverage   54.90%   55.48%   +0.57%     
==========================================
  Files         146      149       +3     
  Lines       16071    16357     +286     
==========================================
+ Hits         8824     9075     +251     
- Misses       6540     6564      +24     
- Partials      707      718      +11     

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[github-actions]

This issue is mentioned in release v1.6.0 🚀
Check out the entire changelog by clicking here