Add julia and lua. Remove tabs

1. Remove centaur-tabs since they don't interact well with emacs daemon
	mode, and they are not useful cf. ibuffer.
2. Remove transparency (prefer OS transparency).

doom/config.org

@@ -200,7 +200,7 @@ available. You can either set ~doom-theme~ or manually load a theme with the
 		:family default-font
 		:size default-font-size)
 	doom-theme 'doom-lantern)
-(add-to-list 'default-frame-alist '(alpha . 90))
+;(add-to-list 'default-frame-alist '(alpha . 90))
 #+end_src
 
 ** Splash Screen

doom/init.el

@@ -43,7 +43,7 @@
        ;;neotree           ; a project drawer, like NERDTree for vim
        ophints           ; highlight the region an operation acts on
        (popup +defaults)   ; tame sudden yet inevitable temporary windows
-       tabs              ; a tab bar for Emacs
+       ;;tabs              ; a tab bar for Emacs
        treemacs          ; a project drawer, like neotree but cooler
        unicode           ; extended unicode support for various languages
        (vc-gutter +pretty) ; vcs diff in the fringe
@@ -143,12 +143,12 @@
        json              ; At least it ain't XML
        ;;(java +lsp)       ; the poster child for carpal tunnel syndrome
        javascript        ; all(hope(abandon(ye(who(enter(here))))))
-       ;;julia             ; a better, faster MATLAB
+       (julia +lsp)        ; a better, faster MATLAB
        ;;kotlin            ; a better, slicker Java(Script)
        (latex +latexmk +lsp) ; writing papers in Emacs has never been so fun
        lean              ; for folks with too much to prove
        ledger            ; be audit you can be
-       ;;lua               ; one-based indices? one-based indices
+       lua               ; one-based indices? one-based indices
        markdown          ; writing docs for people to ignore
        ;;nim               ; python + lisp at the speed of c
        nix               ; I hereby declare "nix geht mehr!"