Added a makefile

Makefile

@@ -0,0 +1,28 @@
+PREFIX=/usr/local/bin/
+
+.PHONY: clean install all
+
+all: clean sqsh
+
+sqsh:
+	cargo build --release
+
+clean: 
+	echo "MAKE: Empty target folder"
+	rm -rf target/*
+	echo "MAKE: Cleaning /etc/shells"
+	sudo sed -i '/sqsh/d' /etc/shells 
+
+.sqshrc:
+	cp sqshrc $(HOME)/.sqshrc
+
+install: sqsh
+	echo "MAKE: Copy sqsh executable"
+	sudo cp target/release/sqsh $(PREFIX)
+	echo "MAKE: Add it to shells"
+	grep -qxF '$(PREFIX)sqsh' /etc/shells || echo '$(PREFIX)sqsh' | sudo tee -a /etc/shells
+	echo "MAKE: change shell"
+	chsh	
+
+
+