Add clang-check linter for C (#4662)

* Close #976 - add clang-check to C linters

* Update docs

supported-tools.md

@@ -76,6 +76,7 @@ formatting.
   * [ccls](https://github.com/MaskRay/ccls)
   * [clang](http://clang.llvm.org/)
   * [clang-format](https://clang.llvm.org/docs/ClangFormat.html)
+  * [clangcheck](http://clang.llvm.org/docs/ClangCheck.html) :floppy_disk:
   * [clangd](https://clang.llvm.org/extra/clangd.html)
   * [clangtidy](http://clang.llvm.org/extra/clang-tidy/) :floppy_disk:
   * [cppcheck](http://cppcheck.sourceforge.net)