Add some new magit stuff

init.el

@@ -2276,6 +2276,13 @@ functions (only eshell uses it at the time of writing)."
 ;; magit
 (use-package magit
   :init
+  (defvar-keymap my/magit-personal-prefix-map
+    :doc "Keymap for some useful Magit commands."
+    "s" #'magit-stage
+    "d" #'magit-diff-dwim
+    "D" #'magit-diff
+    "b" #'magit-blame)
+  (keymap-global-set "C-c i" my/magit-personal-prefix-map)
   (evil-define-key '(normal visual motion) magit-mode-map
     "s" #'magit-stage-file
     "S" #'magit-stage-modified))