Makefile: Add install/uninstall targets.

Makefile

@@ -1,8 +1,12 @@
 .POSIX:
 
 CARGO = cargo
+PREFIX = /usr/local
+CONFDIR = $(HOME)/.config/darkfi
 
 all:
+	mkdir -p $(CONFDIR)
+	@echo "$(CONFDIR)" > .confdir
 	$(CARGO) build --release --all-features
 
 test:
@@ -14,4 +18,26 @@ fix:
 clippy:
 	$(CARGO) clippy --release --all-features
 
-.PHONY: all test fix clippy
+install:
+	@if ! [ -f target/release/drk ]; then \
+		echo "Please run 'make' as user first." ; \
+		exit 1 ; \
+	fi;
+	mkdir -p $(DESTDIR)$(PREFIX)/bin
+	cp -f target/release/cashierd $(DESTDIR)$(PREFIX)/bin
+	cp -f target/release/darkfid $(DESTDIR)$(PREFIX)/bin
+	cp -f target/release/drk $(DESTDIR)$(PREFIX)/bin
+	cp -f target/release/gatewayd $(DESTDIR)$(PREFIX)/bin
+	chmod 755 $(DESTDIR)$(PREFIX)/bin/cashierd
+	chmod 755 $(DESTDIR)$(PREFIX)/bin/darkfid
+	chmod 755 $(DESTDIR)$(PREFIX)/bin/drk
+	chmod 755 $(DESTDIR)$(PREFIX)/bin/gatewayd
+	cp example/config/*.toml "$(shell cat .confdir)"
+
+uninstall:
+	rm -f $(DESTDIR)$(PREFIX)/bin/cashierd
+	rm -f $(DESTDIR)$(PREFIX)/bin/darkfid
+	rm -f $(DESTDIR)$(PREFIX)/bin/drk
+	rm -f $(DESTDIR)$(PREFIX)/bin/gatewayd
+
+.PHONY: all test fix clippy install uninstall