add build script for various platforms

build.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Set the name of your application
+APP_NAME="netwatcher-agent"
+
+# Set the path of your main.go file
+MAIN_PATH="./"
+
+# Create a bin directory
+mkdir -p bin
+
+# Build for macOS (amd64 and arm64)
+GOOS=darwin GOARCH=amd64 go build -o bin/${APP_NAME}-darwin-amd64 ${MAIN_PATH}
+GOOS=darwin GOARCH=arm64 go build -o bin/${APP_NAME}-darwin-arm64 ${MAIN_PATH}
+
+# Build for Linux (amd64 and arm64)
+GOOS=linux GOARCH=amd64 go build -o bin/${APP_NAME}-linux-amd64 ${MAIN_PATH}
+GOOS=linux GOARCH=arm64 go build -o bin/${APP_NAME}-linux-arm64 ${MAIN_PATH}
+
+# Build for Windows (amd64 and 386)
+GOOS=windows GOARCH=amd64 go build -o bin/${APP_NAME}-windows-amd64.exe ${MAIN_PATH}
+GOOS=windows GOARCH=386 go build -o bin/${APP_NAME}-windows-386.exe ${MAIN_PATH}
+
+# Create ZIP archives for each release
+cd bin
+for file in *; do
+    if [ -f "$file" ]; then
+        zip "${file}.zip" "$file"
+        rm "$file"
+    fi
+done
+cd ..
+
+echo "Build complete. Release files are in the 'bin' directory."