revert Themely removal now that the open-source fork has updated releases

(which change the auto-updater)

_pages/en_US/finalizing-setup.txt

@@ -13,6 +13,7 @@ In this case, we use Luma3DS by [AuroraWright](https://github.com/AuroraWright/)
 During this process, we also setup programs such as the following:    
 
 +  **FBI** *(installs CIA formatted games and applications)*
++  **Themely** *(installs custom themes)*
 +  **Luma3DS Updater** *(updates your CFW installation easily)*
 +  **GodMode9** *(multipurpose tool which can do NAND and cartridge functions)*
 +  **Homebrew Launcher Loader** *(launches the Homebrew Launcher as a regular application thanks to Rosalina magic)*
@@ -23,6 +24,7 @@ During this process, we also setup programs such as the following:
 
 #### What you need
 
+* The latest release of [Themely](https://github.com/ihaveamac/Themely/releases/latest) *(the `.cia` file)*
 * The latest release of [hblauncher_loader](https://github.com/yellows8/hblauncher_loader/releases/latest)
 * The latest release of [GodMode9](https://github.com/d0k3/GodMode9/releases/latest)
 * The latest release of [DSP1](https://github.com/zoogie/DSP1/releases/latest)
@@ -43,6 +45,7 @@ During this process, we also setup programs such as the following:
 1. Copy `lumaupdater.cia` to the `/cias/` folder on your SD card
 1. Copy `FBI.cia` to the `/cias/` folder on your SD card
 1. Copy `DSP1.cia` to the `/cias/` folder on your SD card
+1. Copy `Themely.cia` to the `/cias/` folder on your SD card
 
     ![]({{ base_path }}/images/screenshots/cias-file-layout.png)
     {: .notice--info}