add missing meld path (#219)

Author: SimonCropp

docs/diff-tool.md

@@ -348,6 +348,7 @@ ReSharper | Options | Tools | Unit Testing | Test Runner
  * Example arguments: `"tempFile" "targetFile"`
  * Scanned paths:
 
+   * `%LOCALAPPDATA%\Programs\Meld\meld.exe`
    * `%ProgramFiles%\Meld\meld.exe`
    * `%ProgramW6432%\Meld\meld.exe`
    * `%ProgramFiles(x86)%\Meld\meld.exe`

src/DiffEngine.Tests/diffTools.include.md

@@ -248,6 +248,7 @@
  * Example arguments: `"tempFile" "targetFile"`
  * Scanned paths:
 
+   * `%LOCALAPPDATA%\Programs\Meld\meld.exe`
    * `%ProgramFiles%\Meld\meld.exe`
    * `%ProgramW6432%\Meld\meld.exe`
    * `%ProgramFiles(x86)%\Meld\meld.exe`

src/DiffEngine/Implementation/Meld.cs

@@ -16,7 +16,10 @@ static string Arguments(string temp, string target) =>
             supportsText: true,
             requiresTarget: true,
             binaryExtensions: Array.Empty<string>(),
-            windows: new(Arguments, @"%ProgramFiles%\Meld\meld.exe"),
+            windows: new(
+                Arguments,
+                @"%LOCALAPPDATA%\Programs\Meld\meld.exe",
+                @"%ProgramFiles%\Meld\meld.exe"),
             linux: new(Arguments, "/usr/bin/meld"),
             osx: new(Arguments, "/Applications/meld.app/Contents/MacOS/meld"));
     }