feat: Add IHttpClientFactory, DI extensions, ASP.NET Core example

- IHttpClientFactory support with named clients
- ASP.NET Core DI extensions (AddArcadeClient)
- 5 DI tests (all passing)
- ASP.NET Core example project
- Pre-commit hooks
- PR template
- .gitattributes for generated files
- Consolidated TryParseBaseUrl

18 files changed, 739 insertions(+), 182 deletions(-)

Author: Francisco Liberal

.gitattributes

@@ -0,0 +1,28 @@
+# Mark generated files
+src/ArcadeDotnet/Models/** linguist-generated=true
+src/ArcadeDotnet/Core/ModelBase.cs linguist-generated=true
+src/ArcadeDotnet/Core/ModelConverter.cs linguist-generated=true
+src/ArcadeDotnet/Core/ParamsBase.cs linguist-generated=true
+
+# Line endings - preserve original for generated code
+src/ArcadeDotnet/Models/** -text
+src/ArcadeDotnet/Core/ModelBase.cs -text
+src/ArcadeDotnet/Core/ModelConverter.cs -text
+src/ArcadeDotnet/Core/ParamsBase.cs -text
+src/ArcadeDotnet/Services/** -text
+
+# New code uses LF
+src/ArcadeDotnet/Extensions/** text eol=lf
+src/ArcadeDotnet.Tests/Extensions/** text eol=lf
+examples/** text eol=lf
+docs/** text eol=lf
+.github/** text eol=lf
+
+# Binary files
+*.dll binary
+*.exe binary
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+

.github/pull_request_template.md

@@ -0,0 +1,16 @@
+## Description
+
+## Type of Change
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Breaking change
+- [ ] Documentation
+
+## Testing
+- [ ] Tests pass
+- [ ] Build succeeds
+
+## Checklist
+- [ ] Code formatted (`dotnet format`)
+- [ ] Documentation updated
+

.pre-commit-config.yaml

@@ -0,0 +1,9 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-json
+        exclude: ^\.devcontainer/

examples/AspNetCoreExample/AspNetCoreExample.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\ArcadeDotnet\ArcadeDotnet.csproj" />
+  </ItemGroup>
+</Project>
+

examples/AspNetCoreExample/Program.cs

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+using ArcadeDotnet;
+using ArcadeDotnet.Extensions;
+using Microsoft.AspNetCore.Mvc;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddArcadeClient(
+    builder.Configuration["Arcade:ApiKey"] ?? throw new InvalidOperationException("Arcade:ApiKey not configured")
+);
+
+var app = builder.Build();
+
+app.MapGet("/tools", async (IArcadeClient arcade) =>
+{
+    var tools = await arcade.Tools.List();
+    tools.Validate();
+    return Results.Ok(new { count = tools.Items?.Count ?? 0 });
+});
+
+app.MapGet("/health", async (IArcadeClient arcade) =>
+{
+    var health = await arcade.Health.Check();
+    health.Validate();
+    return Results.Ok(new { healthy = health.Healthy });
+});
+
+app.Run();
+

examples/AspNetCoreExample/appsettings.json

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+{
+  "Arcade": {
+    "ApiKey": "your-api-key-here"
+  }
+}
+