feat: add TUI client with FIFO communication and status display

engine/tests/makefile

@@ -0,0 +1,16 @@
+CC = gcc
+CFLAGS = -Wall -Wextra -Wpedantic -std=c11 -I../src -I$(JACK_CFLAGS)
+LDFLAGS = -ljack -lpthread -lm
+
+all: test_status_fifo
+
+test_status_fifo: test_status_fifo.c ../src/looper.c ../src/channel.c ../src/midi.c ../src/queue.c ../src/pipe.c
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+test: test_status_fifo
+	./test_status_fifo
+
+.PHONY: all test clean
+
+clean:
+	rm -f test_status_fifo