feat: update readme

README.md

@@ -60,6 +60,24 @@ Decrypting, Processed: 12, Speed: 2.93KB/s
 [INFO] Decrypt file success: test.txt.tinyenc
 ```
 
+Create file from text window:
+
+```shell
+$ tiny-encrypt --create FILE
+```
+
+Show file in text window:
+
+```shell
+$ tiny-encrypt -d --show FILE.tinyenc
+```
+
+Edit file in text window:
+
+```shell
+$ tiny-encrypt -d --edit FILE.tinyenc
+```
+
 Use alias:
 
 ```shell