Add code for lecture 1 (simple.ml)

Signed-off-by: jmug <u.g.a.mariano@gmail.com>

lec01/simple/Makefile

@@ -0,0 +1,23 @@
+.PHONY: all oatc test clean zip
+
+all: oatc
+
+dev:
+	dune build --watch --terminal-persistence=clear-on-rebuild
+
+oatc: 
+	dune build
+	@cp bin/simple.exe oatc
+
+test: oatc
+	./oatc --test
+
+utop:
+	dune utop
+
+zip: $(SUBMIT)
+	zip '$(ZIPNAME)' $(SUBMIT)	
+
+clean:
+	dune clean
+	rm -rf oatc bin/main.exe