start of excution implementation

d

@@ -0,0 +1,24 @@
+a.out
+argprinter
+d
+execution.c
+file.c
+file.o
+ft_split_quoted.c
+ft_split_quoted.o
+heredoc.c
+heredoc.o
+infile.c
+infile.o
+libftx
+main.c
+main.o
+Makefile
+minishell
+minishell.h
+outfile.c
+outfile.o
+syntatics.c
+syntatics.o
+t
+utils