updated roadmap with the future plan of action (#267)

docs/future-roadmap.rst

@@ -1,8 +1,43 @@
 Future Roadmap
 ==============
 
-Tempo's future roadmap and plans for development will be announced here soon.
+The general plan for Tempo's future development is below. However, it is worth noting that based on the demand the order
+of development might change.
 
-.. admonition:: Future Roadmap
+.. admonition:: Tempo's future plan
+   :class: important
 
-   Stay Tuned. Coming soon...
+   - *Next generation API version 0.2*
+    1. Meta-data cleanup
+
+    2. Simpler constructors
+
+    3. New core TSDF transformation functions
+
+   - *Clear separation of resampling & interpolation functions*
+   --------------------------------------------------------------------------
+   - *Intervals API*
+    1. Extract intervals from TSDFs
+    2. Get distinct (non-overlapping intervals)
+    3. Interval-TSDF joins
+
+   - *Streaming Support* 🚀
+    1. Streaming as-of joins
+    2. Streaming resampling
+
+   - *Integration with timeseries forecasting & ML libraries:* 📈
+    1. statsmodels
+    2. FB Prophet
+    3. Tensorflow
+    4. Pytorch
+    5. tsfresh
+    6. sktime
+
+    And many more...
+
+   - *Simpler Windowing API*
+    1. Use natural-language expressions (ie "5 mins", "16 days", etc.)
+
+
+Don't see what you are looking for, reach out to the team directly
+at `labs@databricks.com <mailto:labs@databricks.com>`_ with your feature requests and ideas for improvement.