Add helper scripts to generic variant

.travis.yml

@@ -42,6 +42,10 @@ script:
         fi
 
         echo "$1" > "ArchiSteamFarm/out/${1}/ArchiSteamFarm.version"
+
+        if [ -d "ArchiSteamFarm/scripts/${1}" ]; then
+            cp "ArchiSteamFarm/scripts/${1}/"* "ArchiSteamFarm/out/${1}"
+        fi
     }
 
     for RUNTIME in $RUNTIMES; do

ArchiSteamFarm/scripts/generic/ArchiSteamFarm.cmd

@@ -0,0 +1,3 @@
+@echo off
+pushd %~dp0
+dotnet ArchiSteamFarm.dll

ArchiSteamFarm/scripts/generic/ArchiSteamFarm.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -eu
+cd "$(dirname "$(readlink -f "$0")")"
+dotnet ArchiSteamFarm.dll

appveyor.yml

@@ -66,6 +66,10 @@ after_test:
 
         Set-Content -Path "ArchiSteamFarm\out\$RUNTIME\ArchiSteamFarm.version" -Value "$RUNTIME"
 
+        if (Test-Path -Path "ArchiSteamFarm\scripts\$RUNTIME" -PathType Container) {
+            Copy-Item "ArchiSteamFarm\scripts\$RUNTIME\*" "ArchiSteamFarm\out\$RUNTIME"
+        }
+
         7z a -bd -tzip -mm=Deflate64 -mx=9 -mfb=257 -mpass=3 "ArchiSteamFarm\out\ASF-$RUNTIME.zip" "$env:APPVEYOR_BUILD_FOLDER\ArchiSteamFarm\out\$RUNTIME\*"
         Push-AppveyorArtifact "ArchiSteamFarm\out\ASF-$RUNTIME.zip" -FileName "ASF-$RUNTIME.zip" -DeploymentName "ASF-$RUNTIME.zip"
     }