Add build.sh [skip ci]

build.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+if [[ $# -ne 0 ]] && [[ $# -ne 1 ]]; then
+    echo "usage: $0 [output_path]"
+    exit 1
+fi
+
+majorVer=$(cat VERSION)
+lastVer=$(git tag --sort version:refname --list "$majorVer.*" | tail -n1)
+if [[ -n "$lastVer" ]]; then
+    newVer=(${lastVer//./ })
+    newVer[-1]="$((${newVer[-1]}+1))"
+    nextVer="${newVer[*]}"
+    nextVer="${nextVer// /.}"
+else
+    nextVer="$majorVer.0"
+fi
+
+echo "MajorVer=$majorVer LastVer=$lastVer NextVer=$nextVer"
+
+args="--configuration Release /property:Version=$nextVer"
+if [[ -n "$1" ]]; then
+    dotnet build $args --output "$1"
+else
+    dotnet build $args
+fi