Move makefile to root

makefile

@@ -0,0 +1,23 @@
+CC = g++
+CFLAGS = -std=c++17 -Wall -g -Wextra
+
+CPPS = $(wildcard test/*.cpp)
+EXES = $(patsubst %.cpp, %.out, $(CPPS))
+
+.PHONY: all clean rebuild check
+
+all: $(EXES)
+
+clean:
+	-rm test/*.o
+	-rm test/*.out
+
+rebuild: clean all
+
+EXESQUOTED = $(patsubst %, "%", $(EXES))
+
+check: all
+	./execute-all.sh
+
+%.out: %.cpp
+	$(CC) $(CFLAGS) $< -o $@