Move non-jellyfin extensions to separate project

src/Jellyfin.Extensions/StreamExtensions.cs

@@ -0,0 +1,63 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace Jellyfin.Extensions
+{
+    /// <summary>
+    /// Class BaseExtensions.
+    /// </summary>
+    public static class StreamExtensions
+    {
+        /// <summary>
+        /// Reads all lines in the <see cref="Stream" />.
+        /// </summary>
+        /// <param name="stream">The <see cref="Stream" /> to read from.</param>
+        /// <returns>All lines in the stream.</returns>
+        public static string[] ReadAllLines(this Stream stream)
+            => ReadAllLines(stream, Encoding.UTF8);
+
+        /// <summary>
+        /// Reads all lines in the <see cref="Stream" />.
+        /// </summary>
+        /// <param name="stream">The <see cref="Stream" /> to read from.</param>
+        /// <param name="encoding">The character encoding to use.</param>
+        /// <returns>All lines in the stream.</returns>
+        public static string[] ReadAllLines(this Stream stream, Encoding encoding)
+        {
+            using (StreamReader reader = new StreamReader(stream, encoding))
+            {
+                return ReadAllLines(reader).ToArray();
+            }
+        }
+
+        /// <summary>
+        /// Reads all lines in the <see cref="TextReader" />.
+        /// </summary>
+        /// <param name="reader">The <see cref="TextReader" /> to read from.</param>
+        /// <returns>All lines in the stream.</returns>
+        public static IEnumerable<string> ReadAllLines(this TextReader reader)
+        {
+            string? line;
+            while ((line = reader.ReadLine()) != null)
+            {
+                yield return line;
+            }
+        }
+
+        /// <summary>
+        /// Reads all lines in the <see cref="TextReader" />.
+        /// </summary>
+        /// <param name="reader">The <see cref="TextReader" /> to read from.</param>
+        /// <returns>All lines in the stream.</returns>
+        public static async IAsyncEnumerable<string> ReadAllLinesAsync(this TextReader reader)
+        {
+            string? line;
+            while ((line = await reader.ReadLineAsync().ConfigureAwait(false)) != null)
+            {
+                yield return line;
+            }
+        }
+    }
+}