move embedded tutorials out of protocol tree

tutorials/websocket/websocket-server/Makefile

@@ -1,8 +1,10 @@
+REPO_ROOT ?= ../../..
+
 PROG ?= example                   # Program we are building
 DELETE = rm -rf                   # Command to remove files
 OUT ?= -o $(PROG)                 # Compiler argument for output file
-SOURCES = main.c mongoose.c       # Source code files
-CFLAGS = -W -Wall -Wextra -g -I.  # Build options
+SOURCES = main.c $(REPO_ROOT)/mongoose.c       # Source code files
+CFLAGS = -I$(REPO_ROOT) -W -Wall -Wextra -g -I.  # Build options
 
 # Mongoose build options. See https://mongoose.ws/documentation/#build-options
 CFLAGS_MONGOOSE += -DMG_ENABLE_LINES

tutorials/websocket/websocket-server/mongoose.c

@@ -1 +0,0 @@
-../../../mongoose.c

tutorials/websocket/websocket-server/mongoose.h

@@ -1 +0,0 @@
-../../../mongoose.h

tutorials/websocket/websocket-server/zephyr

@@ -1 +0,0 @@
-../../zephyr/websocket-server