Add new Qalculate version (3.18.0) (#10073)

* Add new Qalculate version (3.18.0)

* Remove duplicate PackageUrl and extra newline at end of file

manifests/q/Qalculate/Qalculate/3.18.0/Qalculate.Qalculate.yaml

@@ -0,0 +1,27 @@
+PackageIdentifier: Qalculate.Qalculate
+Publisher: Qalculate
+Author: Hanna Knutsson
+PackageName: Qalculate!
+PackageVersion: 3.18.0
+License: Copyright (c) 2020 Hanna Knutsson - GNU General Public License v2.0 (or later)
+LicenseUrl: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+Moniker: qalculate
+MinimumOSVersion: 6.1.7600
+Tags:
+- calculator
+- math
+- units
+- currencies
+- algebra
+- physics
+- engineering
+ShortDescription: A highly versatile desktop calculator, with support for units, physical constants, uncertainty propagation, symbolic calculations, etc.
+PackageUrl: https://qalculate.github.io/
+Installers:
+- Architecture: x64
+  InstallerType: msi
+  InstallerUrl: https://github.com/Qalculate/qalculate-gtk/releases/download/v3.18.0/qalculate-3.18.0-x64.msi
+  InstallerSha256: 0b72eae9ab0bf3f9a30172a62073ef191e3f185260dc616c2da02cb2349d7bf1
+PackageLocale: en-US
+ManifestType: singleton
+ManifestVersion: 1.0.0