Add systemd script

src/Makefile

@@ -0,0 +1,18 @@
+
+BIN=smartdns 
+OBJS=smartdns.o fast_ping.o lib/bitops.o dns_client.o dns_server.o dns.o util.o tlog.o conf.o
+CFLAGS=-g -O0 -Wall -Wstrict-prototypes -fno-omit-frame-pointer -Wstrict-aliasing 
+CFLAGS +=-Iinclude
+CFLAGS += -DBASE_FILE_NAME=\"$(notdir $<)\"
+CXXFLAGS=-g -O0 -Wall -std=c++11 
+CXXFLAGS +=-Iinclude
+
+.PHONY: all
+
+all: $(BIN)
+ 
+$(BIN) : $(OBJS)
+	$(CC) $(OBJS) -o $@ -lpthread 
+
+clean:
+	$(RM) $(OBJS) $(BIN)