Create Makefile

Makefile

@@ -0,0 +1,18 @@
+run:
+	cargo run
+
+build:
+	cargo build --release
+
+install:
+	cargo build --release
+	cp target/release/donut ~/.local/bin/donut
+
+uninstall:
+	rm ~/.local/bin/donut
+
+help:
+	@echo "Usage:"
+	@echo " * make run: run in debug"
+	@echo " * make install: install donut to ~/.local/bin/"
+	@echo " * make uninstall: uninstall donut"