Add the configuration for the path of geoip and geosite. (#57)

* Update README.md

* Update README.zh.md

* Update README.ja.md

* minor tweaks

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Co-authored-by: Toby <tobyxdd@gmail.com>

README.zh.md

@@ -76,6 +76,12 @@ workers:
   tcpMaxBufferedPagesTotal: 4096
   tcpMaxBufferedPagesPerConn: 64
   udpMaxStreams: 4096
+
+# 指定的 geoip/geosite 档案路径
+# 如果未设置，将自动从 https://github.com/Loyalsoldier/v2ray-rules-dat 下载
+# geo:
+#   geoip: geoip.dat
+#   geosite: geosite.dat
 ```
 
 ### 样例规则