Update README.md

Author: serderovsh

README.md

@@ -1 +1,26 @@
 # tron-api-python
+
+## Install
+
+```bash
+> pip3 install tronapi
+```
+
+## Example Usage
+```python
+from tronapi.providers import HttpProvider
+from tronapi.tron import Tron
+
+full_node = HttpProvider('http://13.125.210.234:8090')
+address = 'tron address'
+
+tron = Tron(full_node)
+tron.private_key = 'private_key'
+
+print(tron.get_balance(address))
+```
+### cli
+```bash
+>>> python cli.py send from to amount private_key
+>>> python cli.py --generateaddress
+>>> python cli.py --node=customnode --getbalance address