integrate reference-projects intto existing tutorials

tutorials/http/device-dashboard/Makefile

@@ -1,7 +1,5 @@
 PROG ?= ./example       # Program we are building
-PACK ?= ./pack          # Packing executable
 DELETE = rm -rf         # Command to remove files
-GZIP ?= gzip            # For compressing files in web_root/
 OUT ?= -o $(PROG)       # Compiler argument for output file
 SOURCES = main.c mongoose.c net.c packed_fs.c   # Source code files
 CFLAGS = -W -Wall -Wextra -g -I.                # Build options
@@ -12,11 +10,9 @@ CFLAGS_MONGOOSE += -DMG_ENABLE_PACKED_FS=1
 
 ifeq ($(OS),Windows_NT)         # Windows settings. Assume MinGW compiler. To use VC: make CC=cl CFLAGS=/MD OUT=/Feprog.exe
   PROG = example.exe            # Use .exe suffix for the binary
-  PACK = pack.exe               # Packing executable
   CC = gcc                      # Use MinGW gcc compiler
   CFLAGS += -lws2_32            # Link against Winsock library
   DELETE = cmd /C del /Q /F /S  # Command prompt command to delete files
-  GZIP = echo                   # No gzip on Windows
 endif
 
 # Default target. Build and run program
@@ -37,10 +33,7 @@ web_root/main.css: web_root/index.html $(wildcard web_root/*.js)
 
 # Generate packed filesystem for serving Web UI
 packed_fs.c: $(wildcard web_root/*) $(wildcard certs/*) Makefile web_root/main.css web_root/bundle.js
-	$(GZIP) web_root/*
-	$(CC) ../../../test/pack.c -o $(PACK)
-	$(PACK) web_root/* certs/* > $@
-	$(GZIP) -d web_root/*
+	node pack.js $(addsuffix ::gzip, $(wildcard web_root/*)) certs/* > $@
 
 mbedtls:
 	git clone --depth 1 -b v2.28.2 https://github.com/mbed-tls/mbedtls $@