fix: Inaccuracy in C# support

Author: Andrew Ferrier

README.md

@@ -281,7 +281,7 @@ If it helps to understand these, you can look at the built-in configurations in
 | arduino                                      | :x:               | :+1:                                                               | :x:                                                       | :x:                                                                  | :x:                                                 | :x:                                               | :x:                                                   |
 | bash/sh                                      | :+1:              | :+1:                                                               | :+1:                                                      | :x:                                                                  | :+1:                                                | :x:                                               | :x:                                                   |
 | C                                            | :+1:              | :+1:                                                               | :x:                                                       | :x:                                                                  | :x:                                                 | :x:                                               | :x:                                                   |
-| C#                                           | :x:               | :x:                                                                | :+1:                                                      | :+1:                                                                 | :x:                                                 | :x:                                               | :x:                                                   |
+| C#                                           | :x:               | :+1:                                                               | :x:                                                       | :x:                                                                  | :x:                                                 | :x:                                               | :x:                                                   |
 | C++                                          | :+1:              | :+1:                                                               | :+1:                                                      | :+1:                                                                 | :+1:                                                | :x:                                               | :x:                                                   |
 | CMake                                        | :x:               | :+1:                                                               | :x:                                                       | :x:                                                                  | :x:                                                 | :x:                                               | :x:                                                   |
 | dart                                         | :+1:              | :x:                                                                | :x:                                                       | :x:                                                                  | :x:                                                 | :x:                                               | :x:                                                   |