Working towards 0.13.0

[tristanpoland]

This pull request includes several changes to the server configuration and initialization process, as well as some cleanup and refactoring. We will be updating this as we progress to V 0.13.0

Removal of dhat profiler:

• Removed dhat dependency from Cargo.toml.
• Removed dhat global allocator and profiler initialization from main.rs

Updates to server configuration:

• Added address and port fields to ServerConfig struct in config.rs.
• Updated server_config.json to include address and port fields.

Modifications to server initialization:

• Changed ServerConfig usage to use Arc for shared ownership in mod.rs
• Updated server start function to use address and port from ServerConfig and bind to the full address

Cleanup:

• Removed old server_config.json file.

Other 0.13.0 tasks (this is the full list of tasks so some were completed outside of this PR)

Done

• Up to 85% faster startup times
• Newly patched against library memory leaks
• Reduced per-player memory
• Dep count reduced
• Reduced CPU usage of network operations across the board
• Stale player cleanup patched
• Reduced bandwidth-per-player requirements by up to 99.99% (at large player counts) with proper multicasting
• Refactored and cleaned up codebase
• New JSON config file format to remove the deprecated YAML system
• Memory profiling and completed
• All unwarp()s have been removed and error handling was improved dramatically, Horizon can officially no longer crash
• Some windows specific issues have been patched out
• Repo file structure cleaned up
• Splash screen re-added
• Startup timings improved and tuned
• Less verbose and annoying logging
• Plugin detection script stability improved
• Binary file size reduced
• Build time reduced
• Main file de-cluttered
• Config file expanded to include basic network config
• Maestro framework set up
• Create time of day tracking plugin
• Plugin startup time tracking

Not done (These will have a PR and branch of their own)

• Players system is now contained in a plugin for maximum modularity
• Unit tests for Horizon written
• Now supporting custom data types for plugins natively without a sidecar library
• Native API support for PebbleVault (Welcome back to the core PebbleVault!)
• Player health framework added
• API framework laid for Enterprise Dashboard
• Docker images and compose file re-written
• Server-to-server communication framework via link plugins (Community Link, and Enterprise Link)
• Dynamic socket actor streaming channels for infinite world size maintaining efficiency