PyPi needs full image URLs in Readme.md

Change-Id: Iad56ea4b08bb976fd2cc7f6dba6f5c3f6f659fb3
diff --git a/Readme.md b/Readme.md
index f4af6fd..711c655 100644
--- a/Readme.md
+++ b/Readme.md
@@ -80,7 +80,7 @@
 alt.Chart(df).mark_line(point=True).encode(y="ipm", x="Year:T", color="Country", href="webUIRequestUrl") \
     .properties(title=QUERY).show()
 ```
-[![Frequency per million words of “Hello World“ in DE vs. CH from 2010 to 2018 in newspapers and magazines](figures/hello-world.png)<!-- -->](https://korap.github.io/PythonKorAPClient/figures/hello_world.html)
+[![Frequency per million words of “Hello World“ in DE vs. CH from 2010 to 2018 in newspapers and magazines](https://raw.githubusercontent.com/KorAP/PythonKorAPClient/master/figures/hello-world.png)<!-- -->](https://korap.github.io/PythonKorAPClient/figures/hello_world.html)
 
 
 ### Identify *in … setzen* light verb constructions by the `collocationAnalysis` method