git: Install the git-timemachine package

Disable the default `company-complete-selection` keybinding which was
just return to still be able to enter a newline and use "M-RET"
instead.

.emacs.d/config/dev.el

@@ -49,3 +49,10 @@
   :config
   (setq lsp-ui-doc-position 'at-point)
   (setq lsp-ui-doc-show-with-mouse nil))
+
+(use-package company
+  :ensure t
+  :bind (:map company-active-map
+         ("RET" . nil)
+         ("<return>" . nil)
+         ("M-RET" . company-complete-selection)))

.emacs.d/config/git.el

@@ -15,3 +15,6 @@
   :config
   ;; Turn on flyspell when writing commit messages
   (add-hook 'git-commit-setup-hook 'git-commit-turn-on-flyspell))
+
+(use-package git-timemachine
+  :ensure t)