Add Aspire hosting integration for Apollo Configuration Center with full configuration support

src/Aspire.Hosting.Apollo/ApolloResource.cs

@@ -0,0 +1,75 @@
+using Aspire.Hosting.ApplicationModel;
+
+namespace Aspire.Hosting;
+
+/// <summary>
+/// Represents an Apollo configuration resource.
+/// </summary>
+/// <param name="name">The name of the resource.</param>
+public class ApolloResource(string name) : Resource(name)
+{
+    /// <summary>
+    /// Gets or sets the Apollo application ID.
+    /// </summary>
+    public string? AppId { get; set; }
+
+    /// <summary>
+    /// Gets or sets the Apollo meta server URL.
+    /// </summary>
+    public string? MetaServer { get; set; }
+
+    /// <summary>
+    /// Gets or sets the Apollo environment (e.g., DEV, FAT, UAT, PRO).
+    /// </summary>
+    public string? Env { get; set; }
+
+    /// <summary>
+    /// Gets or sets the cluster name for the Apollo configuration.
+    /// </summary>
+    public string? Cluster { get; set; }
+
+    /// <summary>
+    /// Gets or sets the data center info.
+    /// </summary>
+    public string? DataCenter { get; set; }
+
+    /// <summary>
+    /// Gets or sets the access secret for authentication.
+    /// </summary>
+    public string? Secret { get; set; }
+
+    /// <summary>
+    /// Gets or sets the direct config server URLs (to skip meta service).
+    /// </summary>
+    public IReadOnlyCollection<string>? ConfigServer { get; set; }
+
+    /// <summary>
+    /// Gets or sets the namespaces to load.
+    /// </summary>
+    public IEnumerable<string>? Namespaces { get; set; }
+
+    /// <summary>
+    /// Gets or sets the timeout in milliseconds for HTTP requests.
+    /// </summary>
+    public int? Timeout { get; set; }
+
+    /// <summary>
+    /// Gets or sets the refresh interval in milliseconds.
+    /// </summary>
+    public int? RefreshInterval { get; set; }
+
+    /// <summary>
+    /// Gets or sets the local cache directory path.
+    /// </summary>
+    public string? LocalCacheDir { get; set; }
+
+    /// <summary>
+    /// Gets or sets environment-specific meta server URLs.
+    /// </summary>
+    public IDictionary<string, string>? Meta { get; set; }
+
+    /// <summary>
+    /// Gets or sets the configuration label.
+    /// </summary>
+    public string? Label { get; set; }
+}