Merge branch 'update-images-in-readme' into 'master'

Adjust README and add images

See merge request MSO-SW/drivers/raspberry-pi/raspberry-pi-i2c-scd4x!10

Author: MBjoern

.gitignore

@@ -1 +1,2 @@
 /scd4x_i2c_example_usage
+.idea

README.md

@@ -1,5 +1,4 @@
-Getting Started on Raspberry Pi
-===============================
+# Sensirion Raspberry Pi I2C SCD4x Driver
 
 This document explains how to set up the SCD4x sensor to run on a Raspberry Pi
 using the provided code.
@@ -9,9 +8,7 @@ using the provided code.
 Click [here](https://sensirion.com/my-scd-ek) to learn more about the SCD4x
 sensor and the SCD41 Evaluation Kit Board.
 
-
-Setup Guide
------------
+## Setup Guide
 
 ### Connecting the Sensor