Add tracy and opentelemetry-extra to shell.nix

Usage of these tools is described in

https://github.com/haskell/haskell-language-server/blob/master/ghcide/docs/opentelemetry.md

Author: pepeiborra

shell.nix

@@ -47,15 +47,20 @@ haskellPackagesForProject.shellFor {
     gmp
     zlib
     ncurses
+    capstone
+    tracy
 
     haskellPackages.cabal-install
     haskellPackages.hlint
     haskellPackages.ormolu
     haskellPackages.stylish-haskell
+    haskellPackages.opentelemetry-extra
+
   ];
   src = null;
   shellHook = ''
-    export LD_LIBRARY_PATH=${gmp}/lib:${zlib}/lib:${ncurses}/lib
+    export LD_LIBRARY_PATH=${gmp}/lib:${zlib}/lib:${ncurses}/lib:${capstone}/lib
+    export DYLD_LIBRARY_PATH=${gmp}/lib:${zlib}/lib:${ncurses}/lib:${capstone}/lib
     export PATH=$PATH:$HOME/.local/bin
   '';
 }