Generate and publish SHA256 hashes for installers, closes #5160

Author: Vogel612

appveyor.yml

@@ -103,13 +103,19 @@ for:
 after_test:
   - cmd: iscc /O "Rubberduck.Deployment\InnoSetup\Rubberduck.Installer.Build.iss"
   - cmd: move %INSTALLER_DIR%\Rubberduck.Setup.exe %INSTALLER_DIR%\%INSTALLER_NAME%
+  - ps: |
+      $installer = "$env:INSTALLER_DIR\$env:INSTALLER_NAME"
+      $sha = Get-FileHash -Path $installer -Algorithm SHA256
+      Set-Content -Path "$($installer)_sha256.hash" -Value $sha.Hash
 
 # grab the installers we produce and upload them to github :)
 artifacts:
   - path: Rubberduck.Deployment\InnoSetup\Installers\Rubberduck.Setup.*.exe
     name: Rubberduck
   - path: Rubberduck.Deployment\bin\Rubberduck.CodeAnalysis.xml
     name: InspectionDocs
+  - path: Rubberduck.Deployment\InnoSetup\Installers\*.hash
+    name: InstallerHashes
 deploy:
   - provider: GitHub
     tag: RETAGMEWITHAMESSAGE
@@ -119,7 +125,7 @@ deploy:
     description: "Built with :heart: by AppVeyor CI on [$(appveyor_repo_branch)] - https://ci.appveyor.com/project/rubberduck-vba/rubberduck/build/$(appveyor_build_version)"
     auth_token:
       secure: NVAZgFRSk566SP5QDge5gYRWCaLi4NJJPTNk3QengH15wL9iVldfrFOllbzKXExq
-    artifact: Rubberduck, InspectionDocs
+    artifact: Rubberduck, InspectionDocs, InstallerHashes
     on: 
       branch: master
   - provider: GitHub
@@ -130,7 +136,7 @@ deploy:
     description: "AppVeyor build on [$(appveyor_repo_branch)] - https://ci.appveyor.com/project/rubberduck-vba/rubberduck/build/$(appveyor_build_version)"
     auth_token:
       secure: NVAZgFRSk566SP5QDge5gYRWCaLi4NJJPTNk3QengH15wL9iVldfrFOllbzKXExq
-    artifact: Rubberduck, InspectionDocs
+    artifact: Rubberduck, InspectionDocs, InstallerHashes
     on: 
       branch: next