Update build steps

appveyor.yml

@@ -8,35 +8,30 @@ platform: x86
 assembly_info:
   patch: true
   file: 'Properties\AssemblyInfo.cs'
-  assembly_version: '{version}'
+  assembly_version: "{version}"
-  assembly_file_version: '{version}'
+  assembly_file_version: "{version}"
+before_build:
+  - ps: dotnet restore .\Application\
+  - ps: dotnet publish .\Application\ /p:PublishProfile=Properties\PublishProfiles\x64.pubxml
 build:
-  project: FeedCenter.sln
+  project: Installer\Installer.sln
   verbosity: minimal
 artifacts:
-- path: Bootstrapper\bin\Release\FeedCenterSetup.exe
+  - path: Bootstrapper\bin\Release\FeedCenterSetup.exe
     name: Release
-before_build:
-- cmd: nuget restore
-
 for:
--
+  - branches:
-  branches:
       only:
         - main
-
     deploy:
       - provider: Environment
         name: GitHub
         prerelease: false
 
--
+  - branches:
-  branches:
       only:
         - prerelease
-
+    version: "{version}-prerelease"
-  version: 1.2.0.{build}
-
     deploy:
       - provider: Environment
         name: GitHub