Readme to markdown (#1)

* Rename readme.txt to readme.md

* Update markup, add hyperlink

Source commit: f7db2b812b41bab3826613106329bdceda590fed

readme.md

@@ -0,0 +1,39 @@
+This is the README file for source code package of WinSCP.
+
+To build WinSCP you need:
+- Embarcadero C++ Builder XE6 Professional.
+  https://www.embarcadero.com/products/cbuilder
+- Build Tools and Agents for Visual Studio 2017 (for C# 7.0)
+  https://www.visualstudio.com/
+- nasm from http://www.nasm.us/
+  (store it to buildtools/tools/nasm.exe)
+- Object file converter from http://www.agner.org/optimize/#objconv
+  (store it to buildtools/tools/objconv.exe)
+- Build MFC (see [readme_mfc.txt](readme_mfc.txt)).
+
+To build WinSCP from source by yourself, modify and use 'build.bat' in root
+folder of source code package.
+
+Directory structure:
+
+    /source             project files of all native libraries and executables
+    /source/components  native WinSCP visual components
+    /source/console     console interface
+    /source/core        core (non-visual) part of WinSCP
+                        (SSH, SFTP, FTP, WebDAV, S3 and SCP code)
+    /source/dragext     drag&drop shell extension
+    /source/filezilla   source code of FileZilla FTP client
+    /source/forms       visual part of WinSCP (dialogs and windows)
+    /source/packages    general visual components (both mine and 3rd party)
+    /source/putty       source code of PuTTY SSH client
+    /source/resource    resources strings
+    /source/windows     other sources
+    /deployment         Inno Setup script to create setup package
+                        (see /deployment/readme)
+    /dotnet             source code of WinSCP .NET assembly
+    /libs               3rd party libraries
+    /translations       translations of WinSCP strings
+
+WinSCP homepage is https://winscp.net/
+
+See the file 'license.txt' for the license conditions.

readme.txt

@@ -1,38 +0,0 @@
-This is the README file for source code package of WinSCP.
-
-To build WinSCP you need:
-- Embarcadero C++ Builder XE6 Professional.
-  https://www.embarcadero.com/products/cbuilder
-- Build Tools and Agents for Visual Studio 2017 (for C# 7.0)
-  https://www.visualstudio.com/
-- nasm from http://www.nasm.us/
-  (store it to buildtools/tools/nasm.exe)
-- Object file converter from http://www.agner.org/optimize/#objconv
-  (store it to buildtools/tools/objconv.exe)
-- Build MFC (see readme_mfc.txt).
-
-To build WinSCP from source by yourself, modify and use 'build.bat' in root
-folder of source code package.
-
-Directory structure:
-/source             project files of all native libraries and executables
-/source/components  native WinSCP visual components
-/source/console     console interface
-/source/core        core (non-visual) part of WinSCP
-                    (SSH, SFTP, FTP, WebDAV, S3 and SCP code)
-/source/dragext     drag&drop shell extension
-/source/filezilla   source code of FileZilla FTP client
-/source/forms       visual part of WinSCP (dialogs and windows)
-/source/packages    general visual components (both mine and 3rd party)
-/source/putty       source code of PuTTY SSH client
-/source/resource    resources strings
-/source/windows     other sources
-/deployment         Inno Setup script to create setup package
-                    (see /deployment/readme)
-/dotnet             source code of WinSCP .NET assembly
-/libs               3rd party libraries
-/translations       translations of WinSCP strings
-
-WinSCP homepage is https://winscp.net/
-
-See the file 'license.txt' for the license conditions.