feat: add makefile for the smc

.gitignore

@@ -10,6 +10,6 @@ Stats.app
 create-dmg
 dSYMs.zip
 Stats.dmg.zip
-smc
+SMC/smc
 
 Cartfile.resolved

SMC/Makefile

@@ -0,0 +1,17 @@
+.PHONY: build
+.SILENT: build
+
+build:
+	rm -rf ./build
+
+	xcodebuild \
+		-project ../Stats.xcodeproj \
+  		-scheme SMC \
+  		-destination 'platform=OS X,arch=x86_64' \
+  		-configuration Release archive \
+  		-archivePath ./build/smc.xcarchive \
+  		SKIP_INSTALL=NO
+
+	cp ./build/smc.xcarchive/Products/usr/local/bin/smc ./
+
+	rm -rf ./build