added c/c++ support as per Doom Emacs docs

emacs/.config/doom/config.org

@@ -35,6 +35,8 @@
   - [[#bibliography][Bibliography]]
 - [[#python][Python]]
   - [[#set-debugger-to-debugpy][Set Debugger to debugpy]]
+- [[#cc][C/C++]]
+  - [[#lsp][LSP]]
 
 * Config File Headers
 We start by simply defining the standard headers used by the three files. These headers come from the initial files generated by =doom install=, and contain either some Emacs-LISP relevant indicators like =lexical-binding=, or instructions about the contents of the file.
@@ -290,7 +292,7 @@ We start by simply defining the standard headers used by the three files. These
        :lang
        ;;agda              ; types of types of types of types...
        ;;beancount         ; mind the GAAP
-       (cc +lsp)         ; C > C++ == 1
+       (cc +lsp +tree-sitter)         ; C > C++ == 1
        ;;clojure           ; java with a lisp
        ;;common-lisp       ; if you've seen one lisp, you've seen them all
        ;;coq               ; proofs-as-programs
@@ -328,7 +330,7 @@ We start by simply defining the standard headers used by the three files. These
        ;;nim               ; python + lisp at the speed of c
        ;;nix               ; I hereby declare "nix geht mehr!"
        ;;ocaml             ; an objective camel
-       (org +roam2 +dragndrop +pretty)               ; organize your plain life in plain text
+       (org +roam2 +dragndrop +pretty +present)               ; organize your plain life in plain text
        ;;php               ; perl's insecure younger brother
        ;;plantuml          ; diagrams for confusing people more
        ;;purescript        ; javascript, but functional
@@ -493,7 +495,7 @@ To get a more nuanced overview of my current TODOs I add more progress states.
 |            | TODO | BLOCKED | IN_PROGRESS | REVIEW | TESTING |   | DONE | DELEGATED | CANCELED |
 |------------+------+---------+-------------+--------+---------+---+------+-----------+----------|
 | Access Key | t    | b       | i           | r      | t       |   | d    |           | c        |
-| Log Type   | time | note    | time        | note   | note    |   | time | note      |  note    |
+| Log Type   | time | note    | time        | note   | note    |   | time | note      | note     |
 #+begin_src emacs-lisp :tangle config.el
 (after! org
   (setq org-todo-keywords
@@ -600,3 +602,18 @@ as per the [[https://github.com/doomemacs/doomemacs/tree/master/modules/tools/de
 (after! dap-mode
   (setq dap-python-debugger 'debugpy))
 #+end_src
+
+* C/C++
+** LSP
+As per the [[https://github.com/doomemacs/doomemacs/tree/master/modules/lang/cc#lsp-mode-with-clangd][Doom Emacs documentation]] the LSP-mode needs to be set
+#+begin_src emacs-lisp :tangle config.el
+(after! lsp-clangd
+  (setq lsp-clients-clangd-args
+        '("-j=3"
+          "--background-index"
+          "--clang-tidy"
+          "--completion-style=detailed"
+          "--header-insertion=never"
+          "--header-insertion-decorators=0"))
+  (set-lsp-priority! 'clangd 2))
+#+end_src