Title fixes

Program.cs

using System;
using System.Collections.Generic;
using System.IO;
using static System.IO.SearchOption;

namespace RemoveBlankLines
{
    class Program
    {
        static void Main()
        {
            string path = @"C:\Users\XXXXXXXX\Documents\GitHub\docs-1\docs\";
            var files = Directory.EnumerateFiles(path, "*.md", AllDirectories);

            foreach (var file in files)
            {
                var changed = false;
                var inputLines = File.ReadAllLines(file);
                var outputLines = new List<string>();

                foreach (var line in inputLines)
                {
                    var trimmedLine = line.Trim();
                    
                    if (trimmedLine.StartsWith("title:"))
                    {
                        var noQuotesLine = trimmedLine.Replace("\"", string.Empty);
                        
                        if (!noQuotesLine.EndsWith("Microsoft Docs"))
                        {
                            outputLines.Add($"{noQuotesLine} | Microsoft Docs");
                            changed = true;
                        }
                        else
                        {
                            outputLines.Add(noQuotesLine);
                        }
                    }
                    else
                    {
                        outputLines.Add(line);
                    }
                }

                if (changed)
                {
                    Console.WriteLine(file.Substring(path.Length));
                    File.WriteAllLines(file, outputLines);
                }
            }
        }
    }
}