Make BlinkClientException public and add documentation

The `BlinkClientException` class was updated to enhance its usability and clarity. Key changes include:

- Changed class accessibility from `internal` to `public`.
- Added XML documentation for the class, including summaries and remarks.
- Documented all constructors with XML comments.
- Added comments to clarify the purpose of each constructor.

Author: bvdcode

Sources/Blink/Exceptions/BlinkClientException.cs

@@ -2,19 +2,44 @@
 
 namespace Blink.Exceptions
 {
+    /// <summary>
+    /// Represents errors that occur during Blink client operations.
+    /// </summary>
+    /// <remarks>This exception is typically thrown when an error specific to the Blink client occurs, such as
+    /// invalid operations, unexpected responses, or other client-related issues. It can be used to differentiate Blink
+    /// client errors from other exceptions.</remarks>
     [Serializable]
-    internal class BlinkClientException : Exception
+    public class BlinkClientException : Exception
     {
+        /// <summary>
+        /// Represents an exception that is specific to the BlinkClient application.
+        /// </summary>
+        /// <remarks>This exception is intended to be used for errors that occur within the BlinkClient
+        /// application.  It serves as a base exception for handling application-specific issues.</remarks>
         public BlinkClientException()
         {
+            // Default constructor
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BlinkClientException"/> class with a specified error message.
+        /// </summary>
+        /// <param name="message">The message that describes the error.</param>
         public BlinkClientException(string message) : base(message)
         {
+            // Constructor with message
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BlinkClientException"/> class with a specified error message
+        /// and a reference to the inner exception that is the cause of this exception.
+        /// </summary>
+        /// <param name="message">The error message that explains the reason for the exception.</param>
+        /// <param name="innerException">The exception that is the cause of the current exception, or <see langword="null"/> if no inner exception is
+        /// specified.</param>
         public BlinkClientException(string message, Exception innerException) : base(message, innerException)
         {
+            // Constructor with message and inner exception
         }
     }
 }