feat(installer/windows): add wix installer (#3916)

docs/building.md

@@ -156,6 +156,8 @@ dependencies=(
 pacman -S "${dependencies[@]}"
 ```
 
+To create a WiX installer, you also need to install [.NET](https://dotnet.microsoft.com/download).
+
 ### Clone
 Ensure [git](https://git-scm.com) is installed on your system, then clone the repository using the following command:
 
@@ -198,9 +200,12 @@ ninja -C build
       ```}
   }}
   @tab{Windows | @tabs{
-    @tab{Installer | ```bash
+    @tab{NSIS Installer | ```bash
       cpack -G NSIS --config ./build/CPackConfig.cmake
       ```}
+    @tab{WiX Installer | ```bash
+      cpack -G WIX --config ./build/CPackConfig.cmake
+      ```}
     @tab{Portable | ```bash
       cpack -G ZIP --config ./build/CPackConfig.cmake
       ```}

docs/getting_started.md

@@ -331,7 +331,12 @@ brew uninstall sunshine
 
 #### Installer (recommended)
 
+> [!CAUTION]
+> The msi installer is preferred moving forward. Before using a different type of installer, you should manually
+> uninstall the previous installation.
+
 1. Download and install
+   [Sunshine-Windows-AMD64-installer.msi](https://github.com/LizardByte/Sunshine/releases/latest/download/Sunshine-Windows-AMD64-installer.msi)
    [Sunshine-Windows-AMD64-installer.exe](https://github.com/LizardByte/Sunshine/releases/latest/download/Sunshine-Windows-AMD64-installer.exe)
 
 > [!TIP]
@@ -339,6 +344,7 @@ brew uninstall sunshine
 > | File | log paths |
 > | ---- | --------- |
 > | .exe | `%%PROGRAMFILES%/Sunshine/install.log`<br>`%%TEMP%/Sunshine/logs/install/` |
+> | .msi | `%%TEMP%/Sunshine/logs/install/` |
 
 > [!CAUTION]
 > You should carefully select or unselect the options you want to install. Do not blindly install or