chore(readme): 2020 announcement

Author: mpaland

README.md

@@ -16,6 +16,12 @@ If memory footprint is really a critical issue, floating point, exponential and
 When using printf (instead of sprintf/snprintf) you have to provide your own `_putchar()` low level function as console/serial output.
 
 
+## 2020 announcement
+This project is not dead! I just had no time in 2019 for sufficient support, sorry.
+Within the next weeks, I will have a look to all PRs and open issues.  
+Thank you all for supporting this project.
+
+
 ## Highlights and Design Goals
 
 There is a boatload of so called 'tiny' printf implementations around. So why this one?