Dash OTA dogfooding nits

tutorials/device-dashboard/array/Makefile

@@ -0,0 +1,28 @@
+# Environment setup: https://mongoose.ws/docs/getting-started/build-environment/
+
+PROG ?= example
+TOP ?= ../../..
+SOURCES = dashboard.c file_data.c $(TOP)/mongoose.c
+CFLAGS_EXTRA ?= -DMG_TLS=MG_TLS_BUILTIN
+CFLAGS ?= -W -Wall -Wextra -Werror -Wundef -Wshadow -O0 $(CFLAGS_EXTRA)
+PFLAGS = -I$(TOP) -DMG_DATA_SIZE=64 -DMG_ENABLE_LINES=1 -DMAIN -DMG_DASH_STREAM_BATCH=100
+AFLAGS ?= -fsanitize=signed-integer-overflow,address,undefined,alignment
+
+all: $(PROG)
+	./$(PROG)
+
+# Rebuild the program
+$(PROG): $(SOURCES) $(TOP)/mongoose.h
+	$(CC) $(SOURCES) $(CFLAGS) $(PFLAGS) $(AFLAGS) -o $@
+
+# Create an embedded filesystem containing compressed dashboard.html
+file_data.c: dashboard.html
+	node $(TOP)/resources/html2c.js dashboard.html -o file_data.c
+	@echo "On-flash size: `grep -oE '[0-9]+' file_data.c | wc -l`"
+
+# For development: rebuild and restart if any of the sources change
+watch:
+	node $(TOP)/resources/watch.js -w dashboard.c -w $(TOP)/mongoose.h -w dashboard.html -- make
+
+clean:
+	rm -rf $(PROG) *.exe *.obj *.dSYM mongoose file_data.c