de-version the docs landing page and splash image

Signed-off-by: Alexa Kreizinger <[email protected]>

Author: alexakreizinger

.gitbook/assets/fluent_bit_logo.png

@@ -2,9 +2,9 @@
 description: High Performance Telemetry Agent for Logs, Metrics and Traces
 ---
 
-# Fluent Bit v4.0 Documentation
+# Fluent Bit Documentation
 
-<figure><img src=".gitbook/assets/4.0.png" alt=""><figcaption></figcaption></figure>
+<figure><img src=".gitbook/assets/fluent_bit_logo.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. Fluent Bit 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)
 

README.md

@@ -1,6 +1,6 @@
 # Table of contents
 
-* [Fluent Bit v4.0 Documentation](README.md)
+* [Fluent Bit Documentation](README.md)
 
 ## About