Add C Doxygen to README

README.md

@@ -113,12 +113,12 @@ There is a list of supported languages and fields, with their annotation style
 | | [Numpydoc](https://numpydoc.readthedocs.io/en/latest/format.html) (`"numpydoc"`)| `Arguments`, `Attributes`, `Returns`|
 | javascript | | |
 | | [JSDoc](https://jsdoc.app) (`"jsdoc"`) | `@param`, `@returns`, `@class`, `@classdesc` |
+| c | | |
+| | [Doxygen](https://www.doxygen.nl/manual/commands.html) (`"doxygen"`) | `@param`, `@returns` | 
 
 
 ## Adding Languages
 
-
-
 ### Configuration file
 
 The configuration file for a language is in `lua/configurations/{lang}.lua`.