Add ranger-mode to golden-ratio-exclude-modes

Ranger manages window sizing in a way that conflicts with golden-ratio

CHANGELOG.develop

@@ -911,6 +911,7 @@ Other:
     (thanks to Codruț Constantin Gușoi)
   - Stopped configuring =fci-rule-color=, which was overriding themes that
     configured it (thanks to Victor Cuadrado Juan)
+  - Added ranger-mode to golden-ratio-exclude-modes (thanks to Langston Barrett)
 *** Layer changes and fixes
 **** Ansible
 - Improvements:

layers/+spacemacs/spacemacs-navigation/packages.el

@@ -234,6 +234,7 @@
                    "gdb-inferior-io-mode"
                    "gdb-disassembly-mode"
                    "gdb-memory-mode"
+                   "ranger-mode"
                    "speedbar-mode"))
 
         (add-to-list 'golden-ratio-exclude-modes m))