Added clear cache option
Added clear cache option

brainwane/zulip-electron,brainwane/zulip-electron,brainwane/zulip-electron,zulip/zulip-electron,zulip/zulip-desktop,zulip/zulip-desktop,zulip/zulip-desktop,zulip/zulip-desktop,zulip/zulip-electron,zulip/zulip-electron