feat(csharp) Add doxygen template

README.md

@@ -199,6 +199,7 @@ There is a list of supported languages and fields, with their annotation style
 | | [Alternative](https://stackoverflow.com/questions/30009650/how-do-you-document-function-arguments) (`"alternative"`) | |
 | csharp | | | `func`, `file`, `class`|
 | | [Xmldoc](https://docs.microsoft.com/fr-fr/dotnet/csharp/language-reference/xmldoc/) (`"xmldoc"`) | `<summary>`, `<param>`,`<returns>`|
+| | [Doxygen](https://www.doxygen.nl/manual/commands.html) (`"doxygen"`) | `@param`, `@return`, `@brief`| 
 
 
 ## Adding Languages

lua/neogen/configurations/csharp.lua

@@ -120,5 +120,18 @@ return {
             { "return_statement", "/// <returns>$1</returns>", { type = { "func", "type" } } },
             { nil, "/// </summary>", {} },
         },
+
+        doxygen = {
+            { nil, "/**", { no_results = true, type = { "func", "class" } } },
+            { nil, " * @brief $1", { no_results = true, type = { "func", "class" } } },
+            { nil, " */", { no_results = true, type = { "func", "class" } } },
+
+            { nil, "/**" },
+            { nil, " * @brief $1" },
+            { nil, " *" },
+            { "identifier", " * @param %s $1" },
+            { "return_statement", " * @return $1" },
+            { nil, " */" },
+        },
     },
 }