Update README w.r.t states and bounds (frequenz-floss#101)

Also clear release notes.

Author: cwasicki

README.md

@@ -30,7 +30,7 @@ Please also refer to [examples](https://github.com/frequenz-floss/frequenz-clien
 
 ```bash
 # Choose the version you want to install
-VERSION=0.8.0
+VERSION=0.9.0
 pip install frequenz-client-reporting==$VERSION
 ```
 
@@ -92,6 +92,8 @@ data = [
         start_dt=datetime.fromisoformat("2024-05-01T00:00:00"),
         end_dt=datetime.fromisoformat("2024-05-02T00:00:00"),
         resolution=1,
+        states=False, # Set to True to include state data
+        bounds=False, # Set to True to include metric bounds data
     )
 ]
 ```
@@ -116,6 +118,8 @@ reporting-cli \
     --metrics AC_ACTIVE_POWER AC_REACTIVE_POWER \
     --start 2024-05-01T00:00:00 \
     --end 2024-05-02T00:00:00 \
-    --format csv
+    --format csv \
+    --states \
+    --bounds
 ```
 In addition to the default CSV format the data can be output as individual samples or in `dict` format.

RELEASE_NOTES.md

@@ -6,19 +6,9 @@
 
 ## Upgrading
 
-* Update and fix readme to make use of newest release version 0.8.0
-* Updates the base client to version 0.6.
 
 ## New Features
 
-* States can now be requested via the client and are provided through the flat iterator.
-  They can be identified via their category `state`, `warning` and `error`, respectively.
-  Each individual state is provided as its own sample.
-* Bounds can now be requested via the client and are provided through the flat iterator.
-  They can be identified via their category `metric_bound[i]_{upper,lower}`.
-  Each individual bound is provided as its own sample.
-
-* Support for states and bound is also added to the CLI tool via the `--states` and `--bounds` flag, respectively.
 
 ## Bug Fixes