docs: further update roadmap in readme

Readme.md

@@ -26,9 +26,14 @@ To eliminate model biases, fAIr is built to work with the local communities and
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 | Status | Feature |
 |:--:| :-- |
-|✅| implemented |
-|⚙️| ongoing |
-| | future |
+|✅| training of local AI models using local datasets |
+|✅| prediction of map features using locally trained models |
+|✅| iterative re-training of models via user feedback |
+|⚙️| multi-mask training for better building feature prediction |
+|⚙️| improvements to the prediction algorithm: YOLOv8 inference and finetunning |
+| | mapping predictions into OSM using JOSM |
+| | remove overlapping predictions from final output |
+| | improvements to testing suite to improve code resilience going forward |
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 A more developer-facing roadmap can be found