Update Makefile for Azure pipeline

Makefile

@@ -20,3 +20,18 @@ DISTRIBUTABLES += $(wildcard LICENSE*)
 
 # Include the Rack plugin Makefile framework
 include $(RACK_DIR)/plugin.mk
+
+
+ifdef ARCH_WIN
+# extra dist target for Azure CI Windows build, as there is only 7zip available and no zip command
+azure-win-dist: all
+	rm -rf dist
+	mkdir -p dist/$(SLUG)
+	@# Strip and copy plugin binary
+	cp $(TARGET) dist/$(SLUG)/
+	$(STRIP) -s dist/$(SLUG)/$(TARGET)
+	@# Copy distributables
+	cp -R $(DISTRIBUTABLES) dist/$(SLUG)/
+	@# Create ZIP package
+	cd dist && 7z a -tzip -mx=9 $(SLUG)-$(VERSION)-$(ARCH).zip -r $(SLUG)
+endif