agent: update windows installer to update windows path (#417)

* agent: update windows installer to update windows path

* set keypath

* guid

Author: BeryJu

cmd/agent_local/package/windows/Package.wxs

@@ -78,6 +78,15 @@
         <File Id="ak_cli"
               Source="$(env.ROOT)/bin/cli/ak.exe" />
       </Component>
+      <Component Id="cli_path" Bitness="always64" Guid="b7367ded-3915-4c37-a468-5a58618e37fd">
+        <Environment Id="PATH"
+                     Name="PATH"
+                     Value="[cli]"
+                     Permanent="yes"
+                     Part="last"
+                     Action="set"
+                     System="yes" />
+      </Component>
       <Component Id="browser_support" Guid="e027d360-a9e1-4bd6-b168-1f56d1fcaf8f" Bitness="always64" Directory="browser_support">
         <File Id="ak_browser_support"
               Source="$(env.ROOT)/bin/browser_support/ak-browser-support.exe"
@@ -212,6 +221,13 @@
                Description="CLI to access applications and services.">
         <ComponentRef Id="cli" />
       </Feature>
+      <Feature Id="cli_path"
+               Title="Include CLI in PATH"
+               Level="1"
+               AllowAbsent="yes"
+               Description="Update the system's PATH variable to enable easier access to the ak CLI.">
+        <ComponentRef Id="cli_path" />
+      </Feature>
       <Feature Id="browser_support"
                Title="Browser support"
                Level="1"