Doom: CCLS/LSP support for C++ coding

doom/init.el

@@ -89,7 +89,7 @@
        (eval +overlay)     ; run code, run (also, repls)
        ;;gist              ; interacting with github gists
        lookup              ; navigate your code and its documentation
-       ;;lsp
+       lsp
        ;;macos             ; MacOS-specific commands
        magit             ; a git porcelain for Emacs
        ;;make              ; run make tasks from Emacs
@@ -103,8 +103,8 @@
        :lang
        ;;agda              ; types of types of types of types...
        ;;assembly          ; assembly for fun or debugging
-       cc                ; C/C++/Obj-C madness
-       clojure           ; java with a lisp
+       (cc +lsp)           ; C/C++/Obj-C madness
+       clojure             ; java with a lisp
        ;;common-lisp       ; if you've seen one lisp, you've seen them all
        ;;coq               ; proofs-as-programs
        ;;crystal           ; ruby at the speed of c

gitignore-global

@@ -6,3 +6,5 @@
 .#*
 .nrepl-port
 .rebel_readline_history
+.ccls-cache
+compile_commands.json