add a demo of recommendList and update gitignore

.gitignore

@@ -97,3 +97,4 @@ iOSInjectionProject/
 *.xlsx
 *.log
 *.txt
+!src/recommendLists/*.txt

src/recommendLists/Recommend_demo.txt

@@ -0,0 +1,10 @@
+配置单：(总价格为12011)
+CPU:		英特尔i9-10850K			https://item.jd.com/100008072593.html		3099
+主板:		微星MPG Z490 GAMING PLUS		https://item.jd.com/100007074505.html		1299
+显卡:		技嘉GV-N3060TI GAMING OC		https://item.jd.com/100009115115.html		3799
+内存:		威刚XPG Z1 DDR4 4133 16GB(8GB×2)	https://item.jd.com/100007097093.html		949
+固态硬盘:		创见（Transcend）JetDrive系列		https://item.jd.com/48074077937.html		899
+机械硬盘:		西部数据WD1003FZEX		https://item.jd.com/1018295.html		529
+电源:		长城巨龙GW-800SE（90+）		https://item.jd.com/1209619.html		599
+CPU散热器:	酷冷至尊RL-SB24-20PK-R1		https://item.jd.com/4567820.html		369
+机箱:		乔思伯U5				https://item.jd.com/8885801.html		469