feat: REPLs, by major mode, by project

Also includes Doom's popup code. }:)

users/crumb/programs/emacs/modules/syd-keybinds.el

@@ -116,6 +116,12 @@ are active.")
     "C-r" `("Redo window change" . ,#'winner-redo)
     "m" `("Maximise" . ,syd-leader-window-maximise-map))
 
+  ;; Open
+  (require 'syd-handle-repl)
+  (general-def
+    :prefix-map 'syd-leader-open-map
+    "r" `("Repl o/w" . ,#'+syd/open-repl-other-window))
+
   (general-def
     :prefix-map 'syd-leader-project-map
     "C" `("Compile project" . ,#'project-compile))
@@ -128,6 +134,7 @@ are active.")
     "x" `("Open scratch buffer" . ,#'scratch-buffer)
     "u" `("Universal argument" . ,#'universal-argument)
     "b" `("Buffer" . ,syd-leader-buffer-map)
+    "o" `("Open" . ,syd-leader-open-map)
     "p" `("Project" . ,syd-leader-project-map)
     "w" `("Window" . ,syd-leader-window-map)
     "f" `("File" . ,syd-leader-file-map)