main: readme: add v3 image (#1344)

Signed-off-by: lecaros <[email protected]>

Author: lecaros

.gitbook/assets/3.0.png

@@ -4,7 +4,7 @@ description: High Performance Telemetry Agent for Logs, Metrics and Traces
 
 # Fluent Bit v3.0 Documentation
 
-<figure><img src=".gitbook/assets/v2.2 big@2x.png" alt=""><figcaption></figcaption></figure>
+<figure><img src=".gitbook/assets/3.0.png" alt=""><figcaption></figcaption></figure>
 
 [Fluent Bit](http://fluentbit.io) is a Fast and Lightweight **Telemetry Agent** for Logs, Metrics, and Traces for Linux, macOS, Windows, and BSD family operating systems. It has been made with a strong focus on performance to allow the collection and processing of telemetry data from different sources without complexity.![](https://static.scarf.sh/a.png?x-pxid=71f0e011-761f-4c6f-9a89-38817887faae)