Create new Example mods project and moved override example into it

ExampleMods/ExampleMods.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Core\Core.csproj" />
+  </ItemGroup>
+
+</Project>

ExampleMods/Mods/Override/ExampleOverrideMod.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Core\Core.csproj" />
+    </ItemGroup>
+
+</Project>

ExampleMods/Mods/Override/WatermarkOverride.cs

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+using Core.Annotations;
+using Core.Models.Utils;
+using Core.Servers;
+using Core.Services;
+using Core.Utils;
+
+namespace ExampleMods.Mods.Override;
+
+[Injectable(InjectableTypeOverride = typeof(Watermark))]
+public class WatermarkOverride : Watermark
+{
+    public WatermarkOverride(
+        ILogger logger,
+        ConfigServer configServer,
+        LocalisationService localisationService,
+        WatermarkLocale watermarkLocale
+    ) : base(logger, configServer, localisationService, watermarkLocale)
+    {
+    }
+
+    public override void Initialize()
+    {
+        Console.WriteLine("This is a watermark mod override!");
+        base.Initialize();
+    }
+}

ExampleMods/Program.cs

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+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");