add xml doc comments

Author: smdn

src/Smdn.Net.MuninNode/Smdn.Net.MuninNode/IAccessRule.cs

@@ -4,6 +4,19 @@
 
 namespace Smdn.Net.MuninNode;
 
+/// <summary>
+/// Provides an interface for defining rules to determine whether a client connecting to
+/// <c>Munin-Node</c> is acceptable for access, based on the endpoint of the client.
+/// </summary>
+/// <seealso href="https://guide.munin-monitoring.org/en/latest/reference/munin-node.conf.html#cmdoption-arg-allow">munin-node.conf - DIRECTIVES - Inherited - allow</seealso>
+/// <seealso href="https://guide.munin-monitoring.org/en/latest/reference/munin-node.conf.html#cmdoption-arg-cidr-allow">munin-node.conf - DIRECTIVES - Inherited - cidr_allow</seealso>
+/// <seealso href="https://guide.munin-monitoring.org/en/latest/reference/munin-node.conf.html#cmdoption-arg-cidr-deny">munin-node.conf - DIRECTIVES - Inherited - cidr_deny</seealso>
 public interface IAccessRule {
+  /// <summary>
+  /// Returns a value indicating whether the <see cref="IPEndPoint"/> is acceptable in the
+  /// access rules defined by this instance.
+  /// </summary>
+  /// <param name="remoteEndPoint"><see cref="IPEndPoint"/> of the remote host requesting access.</param>
+  /// <returns><see langword="true"/> if acceptable, <see langword="false"/> otherwise.</returns>
   bool IsAcceptable(IPEndPoint remoteEndPoint);
 }