This pull request adds support for the Aircall application on Windows to
the maintained apps ecosystem. It introduces the necessary input and
output configuration files, as well as versioning and
installation/uninstallation scripts. Additionally, it updates the main
app listing to include Aircall for Windows.
**New Aircall Windows app support:**
* Added a new input definition for Aircall in `winget/aircall.json`,
specifying metadata such as package identifier, installer type, and
architecture.
* Created a new output file `aircall/windows.json` with version details,
installation and uninstallation scripts, download URL, and SHA256
checksum for Aircall version 3.1.66.
* Updated `apps.json` to list Aircall for Windows as a maintained app,
including its name, slug, platform, and unique identifier.
