feat: allow custom icons on custom modules (#351)

* feat: allow custom icons on custom modules

* Update options.ts

* Update customModules/config.ts

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Co-authored-by: Jas Singh <jaskiratpal.singh@outlook.com>

lib/types/bar.d.ts

@@ -36,12 +36,7 @@ export type Module = {
 
 export type ResourceLabelType = 'used/total' | 'used' | 'percentage' | 'free';
 
-export type StorageIcon = '󰋊' | '' | '󱛟' | '' | '' | '';
-
-export type NetstatIcon = '󰖟' | '󰇚' | '󰕒' | '󰛳' | '' | '󰣺' | '󰖩' | '' | '󰈀';
 export type NetstatLabelType = 'full' | 'in' | 'out';
 export type RateUnit = 'GiB' | 'MiB' | 'KiB' | 'auto';
 
-export type UpdatesIcon = '󰚰' | '󰇚' | '' | '󱑢' | '󱑣' | '󰏖' | '' | '󰏔' | '󰏗';
 
-export type PowerIcon = '' | '' | '󰍃' | '󰿅' | '󰒲' | '󰤄';