refactor #1 + adding documentation (#36)

Reviewed-on: #36
Co-authored-by: Koda YeenBean <n122330@gmail.com>

Makefile

@@ -26,27 +26,28 @@ endef
 
 define Build/Prepare
 	mkdir -p $(PKG_BUILD_DIR)
-	$(CP) ./src/* $(PKG_BUILD_DIR)/
+	$(CP) ./src/. $(PKG_BUILD_DIR)/
 endef
 
-TARGET_CFLAGS  += -I$(STAGING_DIR)/usr/include -DENABLE_LOGGING=1
+OPENUF_SRCS := \
+	main.c config.c state.c crypto.c http.c announce.c \
+	inform/inform.c inform/payload.c inform/packet.c inform/response.c \
+	wlan/common.c wlan/uci.c wlan/radio.c wlan/provision.c \
+	wlan/legacy.c wlan/telemetry.c \
+	sysinfo.c clients.c lldp.c models.c
+
+TARGET_CFLAGS  += \
+	-I$(STAGING_DIR)/usr/include \
+	-I$(PKG_BUILD_DIR) \
+	-I$(PKG_BUILD_DIR)/inform \
+	-I$(PKG_BUILD_DIR)/wlan \
+	-DENABLE_LOGGING=1
 TARGET_LDFLAGS += -lmbedtls -lmbedcrypto -luci -ljson-c
 
 define Build/Compile
 	$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS) \
 		-o $(PKG_BUILD_DIR)/openuf \
-		$(PKG_BUILD_DIR)/main.c \
-		$(PKG_BUILD_DIR)/config.c \
-		$(PKG_BUILD_DIR)/state.c \
-		$(PKG_BUILD_DIR)/crypto.c \
-		$(PKG_BUILD_DIR)/http.c \
-		$(PKG_BUILD_DIR)/announce.c \
-		$(PKG_BUILD_DIR)/inform.c \
-		$(PKG_BUILD_DIR)/wlan.c \
-		$(PKG_BUILD_DIR)/sysinfo.c \
-		$(PKG_BUILD_DIR)/clients.c \
-		$(PKG_BUILD_DIR)/lldp.c \
-		$(PKG_BUILD_DIR)/models.c
+		$(addprefix $(PKG_BUILD_DIR)/,$(OPENUF_SRCS))
 endef
 
 define Package/openuf/install