Update README.md

Author: devflow

README.md

@@ -12,6 +12,18 @@ a info helper for Arknights.kr on Windows and MacOS
 2. On your game deivce(also can AppPlayers), setting up proxy(`default: http://127.0.0.1:8080/`) and add certification with the CA Key(`ca.pem`)
 3. start the game. *AND Keep your proxy sever alive for avoiding data corruption.*
 
+## Inventory
+You can easily export data to [ark planner](https://penguin-stats.io/planner) from GAME DATA `Yes, frost-nova :)`!
+
+data example :
+```
+[{"name":"","have":5,"need":0,"id":"2001"},{"name":"","have":8,"need":0,"id":"2002"},{"name":"","have":7,"need":0,"id":"2003"},{"name":"","have":13,"need":0,"id":"2004"},{"name":"","have":1,"need":0,"id":"3003"},{"name":"","have":1,"need":0,"id":"3105"},{"name":"","have":38,"need":0,"id":"3112"}, .... ]
+```
+
+Yes. there are includes some useless data. but no problem.
+Thanks again [penguin-statistics](https://github.com/penguin-statistics)
+
+
 ## FAQ
 ### Who is your best waifu in arknights?
 - Jessica The CRYING CAT
@@ -70,4 +82,4 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-```
+```