add readme.md for how to use this app

Author: NeroCube

README.md

@@ -1,2 +1,28 @@
-# nodejs-excel-db-input
+# Node.js Excel Database Input
 A node.js rest api for db input by excel.
+
+## Running the exmaple
+
+To run this exmaple, from the root of this project:
+
+```
+docker-compose up
+```
+
+## Data Input
+Post excel file to the webservice.
+
+```
+POST /urls HTTP/1.1
+Host: localhost:8000
+Cache-Control: no-cache
+Postman-Token: 8c08a9c5-8c9e-08a2-fba4-3357dc5c3180
+Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW
+
+------WebKitFormBoundary7MA4YWxkTrZu0gW
+Content-Disposition: form-data; name="rawdata"; filename="test.xlsx"
+Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
+
+
+------WebKitFormBoundary7MA4YWxkTrZu0gW--
+```