Enable conf.d loading for themes (#713)

Loading of conf.d files for the current theme is done after all other initialisation to ensure that everything the files need is loaded.

init.fish

@@ -48,4 +48,9 @@ end
 emit perf:timer:start "Oh My Fish init user config path"
 require --no-bundle --path $OMF_CONFIG
 emit perf:timer:finish "Oh My Fish init user config path"
+# Load conf.d for current theme if exists
+set -l theme_conf_path {$OMF_CONFIG,$OMF_PATH}/themes*/$theme/conf.d
+for conf in $theme_conf_path/*.fish
+  source $conf
+end
 emit perf:timer:finish "Oh My Fish initialisation"

pkg/omf/functions/themes/omf.theme.set.fish

@@ -37,6 +37,11 @@ function omf.theme.set -a target_theme
     and test -e $OMF_CONFIG/key_bindings.fish -o -e $OMF_PATH/key_bindings.fish
     and __fish_reload_key_bindings
 
+  # Load target theme's conf.d files
+  for conf in {$OMF_CONFIG,$OMF_PATH}/themes/$target_theme/conf.d/*.fish
+    source $conf
+  end
+
   # Persist the changes
   echo "$target_theme" > "$OMF_CONFIG/theme"