update README.md

README.md

@@ -1,6 +1,10 @@
 # efaciency
 
-A package to simplify working with EFA blocks and settlement periods in the GB electricity trading system.
+![Tests](https://github.com/github/docs/actions/workflows/test.yml/badge.svg)
+![PyPi](https://img.shields.io/pypi/v/efaciency)
+
+
+A package to simplify working with [EFA](https://en.wikipedia.org/wiki/Electricity_Forward_Agreement) blocks and settlement periods in the GB electricity trading system.
 
 ## Installation
 
@@ -9,7 +13,9 @@ This package can be installed via pip:
 $ pip install efaciency
 ```
 
-## Quick start
+## Examples
+
+### Settlement periods
 
 Define a settlement period and get the corresponding half-hour datetime.
 ```python
@@ -20,7 +26,22 @@ Define a settlement period and get the corresponding half-hour datetime.
 datetime.datetime(2023, 7, 1, 11, 30, tzinfo=<DstTzInfo 'Europe/London' BST+1:00:00 DST>)
 ```
 
-Create ranges of half-hour granularity for all SPs in between two dates.
+Get the corresponding EFA information and settlement information for a given timestamp.
+```python
+>>> from datetime import datetime
+>>> from efaciency import SettlementPeriod
+>>> sp = SettlementPeriod(ts=datetime(2023, 7, 1, 11, 30))
+>>> sp
+{
+    'settlement_date': datetime.date(2023, 7, 1)
+    'settlement_period': 24,
+    'ts': datetime.datetime(2023, 7, 1, 11, 30, tzinfo=<DstTzInfo 'Europe/London' BST+1:00:00 DST>),
+    'efa_date': datetime.date(2023, 7, 1),
+    'efa_block': 4,
+}
+```
+
+Create half-hourly range for all SPs in between two dates.
 ```python
 >>> from datetime import date
 >>> from efaciency import settlement_period_range
@@ -38,6 +59,8 @@ Create ranges of half-hour granularity for all SPs in between two dates.
 }
 ```
 
+### EFA blocks
+
 Define EFA blocks and get the corresponding start and end datetimes.
 ```python
 >>> from datetime import date
@@ -49,6 +72,20 @@ Define EFA blocks and get the corresponding start and end datetimes.
 '2023-07-01 11:00'
 ```
 
+Create a range of all EFA blocks between two dates.
+```python
+>>> from datetime import date
+>>> from efaciency import efa_block_range
+>>> efa_range = efa_block_range(date(2023, 7, 1), date(2023, 7, 2))
+>>> efa_range[0]
+{
+    'efa_date': datetime.date(2023, 7, 1),
+    'efa_block': 1,
+    'start_ts': datetime.datetime(2023, 6, 30, 23, 0, tzinfo=<DstTzInfo 'Europe/London' BST+1:00:00 DST>),
+    'end_ts': datetime.datetime(2023, 7, 1, 3, 0, tzinfo=<DstTzInfo 'Europe/London' BST+1:00:00 DST>),
+}
+```
+
 ## Contribution
 
 Please make a pull request or log an issue on GitHub.