doc: update release notes

Author: amos-schledorn

docs/release_notes.rst

@@ -5,14 +5,16 @@ Release Notes
 .. Upcoming Release
 .. ================
 
+* added water-sourced heat pumps based on upper uncertainty bounds from DEA technology catalogue ("40 Comp. hp, seawater 20 MW")
+
+* added geothermal district heating as `central geothermal-sourced heat pump` and `central goethermal heat source` based on DEA technology catalogue ("45.1.a Geothermal DH, 1200m, E")
+
 * added Pyrolysis for biochar 
 
 * fixed unit formatting in DEA technology data sheets 105 (slow pyrolysis)
 
 * fixed DEA technology data sheet name for central water tank storage to point to actual PTES data
 
-* added geothermal district heating as `central geothermal-sourced heat pump` based on DEA technology catalogue ("45.1.a Geothermal DH, 1200m, E")
-
 * Fix minor issues in the code