Add chocolatey and snapcraft packages

pacakge/snap/snapcraft.yaml

@@ -0,0 +1,30 @@
+name: arp-scanner # you probably want to 'snapcraft register <name>'
+version: "0.2.0.0" # just for humans, typically '1.2+git' or '1.3.2'
+grade: devel # must be 'stable' to release into candidate/stable channels
+summary: A lightweight cross-platform IP scanner # 79 char long summary
+description: |
+  A lightweight cross-platform IP scanner
+
+base: core22 # the base snap is the execution environment for this snap
+
+architectures:
+  - build-on: amd64
+  - build-on: arm64
+
+confinement: devmode # use 'strict' once you have the right plugs and slots
+
+parts:
+  whatime:
+    # See 'snapcraft plugins'
+    plugin: dotnet
+    dotnet-build-configuration: Release
+    dotnet-self-contained-runtime-identifier: linux-x64
+    source: .
+    build-packages:
+      - dotnet-sdk-8.0
+    stage-packages:
+      - libicu70
+
+apps:
+  whatime:
+    command: arp-scanner