Add NeoForge support

[Thatsmusic99]

Adds NeoForge support for 1.21.1.

The compiled jar file ends up too large - still needs fixing and general cleanup may be needed prior to merging.

[Copilot]

Pull Request Overview

This PR adds initial NeoForge support to the project, extending mod compatibility and integrating with NeoForge APIs.

• Introduces a new Maven repository and toolchain configuration in settings.gradle.
• Adds new mod metadata, logging, event, command, and executor classes specific to NeoForge.
• Updates Gradle build scripts and CI workflows to include the new "neoforge" target.

Reviewed Changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
settings.gradle	Adds NeoForge Maven repository, toolchain plugin, and includes the neoforge project.
neoforge/src/main/templates/META-INF/neoforge.mods.toml	Provides module metadata template for NeoForge mods.
neoforge/src/main/java/com/cssbham/cssminecraft/neoforge/logger/ForgeLogger.java	Implements a logger for the NeoForge platform by extending the common abstract logger.
neoforge/src/main/java/com/cssbham/cssminecraft/neoforge/listener/ForgeEventAdapter.java	Maps platform-specific events from NeoForge to the common event bus.
neoforge/src/main/java/com/cssbham/cssminecraft/neoforge/executor/ForgeServerExecutor.java	Provides an executor implementation to schedule tasks synchronously on the server.
neoforge/src/main/java/com/cssbham/cssminecraft/neoforge/command/ForgeCommandService.java	Registers commands using brigadier for NeoForge.
neoforge/src/main/java/com/cssbham/cssminecraft/neoforge/adapter/ForgeServerChatAdapter.java	Bridges server chat events by converting messaging components between formats.
neoforge/src/main/java/com/cssbham/cssminecraft/neoforge/NeoForgeCSSMinecraftPlugin.java	Main plugin class that sets up the NeoForge adapter, executor, and command service.
neoforge/src/main/java/com/cssbham/cssminecraft/neoforge/CSSMinecraftLoader.java	Loader that initializes and registers the plugin with NeoForge’s event bus.
neoforge/gradle.properties	Contains configuration and version properties for the mod.
neoforge/build.gradle	Configures dependencies, tasks, and run configurations for building the NeoForge mod.
.github/workflows/build.yml	Updates the CI workflow to include the new "neoforge" build target.