* Add initial external configuration files support.
These external configuration files allow changing app params at the runtime without recompilation.
* Find config files with specified directory in the tests
* Add aspect ratio recalculation config
* Clean code
* Add new configuration files into the Docker container image
* Add shared core and config paths into the Libretro cores config
* Split ROM <-> Emulator mapping between workers and coordinators
* Extract coordinator config
* Add shared worker/coordinator server config
* Add explicit embedded shared worker/coordinator struct for auto-config reflection fill
* Remove default stun/turn servers from the config
* Extract and add new ice servers config structures
* Update coordinator config params
* Add auto emulation lib loader based on the runtime OS/arch
* Update configuration structures
* Remove shared config embedding
* Add missing network config params
* Add game library external config
* Remove unused config parameters
* Add WebRTC encoder external options
* Add user dir for config search
* Update config loader
* Update config
* Add generic downloader with Grab lib implementation
* Add a simple file downloader backed by the grab lib
* Add initial Libretro core repos abstractions
* Expose compression info for Libretro cores repository records
* Add pipe-based abstract file downloader
* Refactor downloader
* Refactor Libretro repos
* Add worker coresync stubs
* Add multiprocess-safe HTTP-based core manager implementation
* Remove Libretro cores from the repo
* Keep custom N64 cores in te repo for now
* Add Libretro cores repo select in the config
* Fix http manager repo switch
* Cleanup code
* Add greedy Libretro lib loader
* Don't crash when arch map is not set
* Disable dynamic recompiler for pcsx core by default since it's could cause a crash
* Use global Libretro dynalib handler
* Shorten the default Libretro cores store path
* Update zip extractor implementation
* Remove explicit fig lib field markings
* Add config note to the README file
* Add GitHub repo backend for the core downloader
* Fix GitHub repo param list in the manager factory
* Add env variables reader with CLOUD_GAME prefix
* Re-optimize ice server info struct custom marshaler
* Follow Go standard for naming constants
* Use reformatted pixFormats for Libretro cores
* Use OpenGL 2.1 Core profile bindings for render instead 4.1
* Cleanup the code
* SDL attributes should be set before the sdl.Init call
* Use simple vertical frame flip function instead imaging lib with OpenGL renderer
* Use the separate control flow for the macOS OpenGL context handling
* Add OpenGL pixel type/format switch based on cores callback
* Use unified log instead of fmt
* Clean code
* Remove unnecessary SDL init flag
* Printout errors with SDL / OpenGL functions
* Add CGO Libretro logging output
* Use main thread lock for windows and OpenGL context
* Remove Darwin OS switch
* Add extended OpenGL version info print
* Update Libretro cores info print
* Add game library module (#232)
* Add game library
* Add missing local game lib files
* Add missing return statement
* Use v2 suffix
* Bump the dependencies
* Update Libretro modules to support headless test runners
* Port old savestates tests as example for Libretro cores runner testing
* Add n64 core example game and a test
* Update room tests for various games
* Add frame dump support for CI builds
* Add frame rendering to image output for core testing
* Update ROM frame exporter in tests
* Disable Docker image publishing
* Add frame rendering output for non-gl cores for CI
* Add auto GL context override for headless, gpu-less machines (e.g. Github CI Xeon)
* Add Windows CI headless cores frame render config
* Add missing Mesa OpenGL drivers to Ubuntu CI
* Add mupen n64 core download into CI tests
* Add Linux, macOS, Windows core frame render tests into CI
* Remove unnecessary var
* Add some comments
* Revert Y flip
* Move OpenGL into a separate package
* Add SDL package
* Update modules
