Move default snippets library to feature/snippets

Removes the +snippets flag from config/default. The default snippets can
be disabled by disabling the emacs-snippets package.

modules/feature/snippets/autoload/snippets.el

@@ -101,3 +101,22 @@ buggy behavior when <delete> is pressed in an empty field."
   (if (symbol-value mode)
       (yas-activate-extra-mode mode)
     (yas-deactivate-extra-mode mode)))
+
+
+;;
+;; Commands
+
+;;;###autoload
+(defun +snippets/browse (arg)
+  "TODO"
+  (interactive "P")
+  (doom-project-browse +snippets-dir))
+
+;;;###autoload
+(defun +snippets/find-file ()
+  "TODO"
+  (interactive)
+  (if (file-directory-p +snippets-dir)
+      (doom-project-find-file +snippets-dir)
+    (yas-visit-snippet-file)))
+

modules/feature/snippets/config.el

@@ -50,3 +50,8 @@
 
 ;; `auto-yasnippet'
 (setq aya-persist-snippets-dir (concat doom-etc-dir "auto-snippets/"))
+
+
+;; default snippets library
+(def-package! emacs-snippets
+  :after yasnippet)

modules/feature/snippets/packages.el

@@ -4,3 +4,7 @@
 (package! yasnippet)
 (package! auto-yasnippet)
 
+(package! emacs-snippets
+  :recipe (:fetcher github
+           :repo "hlissner/emacs-snippets"
+           :files ("*")))