0.13 announcement post (#891)

Co-authored-by: Alice Cecile <[email protected]>
Co-authored-by: François <[email protected]>
Co-authored-by: Joona Aalto <[email protected]>
Co-authored-by: Roman Salnikov <[email protected]>
Co-authored-by: TrialDragon <[email protected]>
Co-authored-by: Zachary Harrold <[email protected]>
Co-authored-by: Trent <[email protected]>
Co-authored-by: Mike <[email protected]>
Co-authored-by: Nicola Papale <[email protected]>
Co-authored-by: Gonçalo Rica Pais da Silva <[email protected]>
Co-authored-by: Trashtalk217 <[email protected]>
Co-authored-by: Lixou <[email protected]>
Co-authored-by: David M. Lary <[email protected]>
Co-authored-by: Mark Wainwright <[email protected]>
Co-authored-by: Elabajaba <[email protected]>
Co-authored-by: Félix Lescaudey de Maneville <[email protected]>
Co-authored-by: IceSentry <[email protected]>
Co-authored-by: thepackett <[email protected]>
Co-authored-by: Cameron <[email protected]>
Co-authored-by: James O'Brien <[email protected]>
Co-authored-by: JMS55 <[email protected]>
Co-authored-by: Aevyrie <[email protected]>
Co-authored-by: Marco Buono <[email protected]>
Co-authored-by: Robert Swain <[email protected]>
Co-authored-by: NiseVoid <[email protected]>
Co-authored-by: NiseVoid <[email protected]>
Co-authored-by: Robert Walter <[email protected]>
Co-authored-by: Carter Anderson <[email protected]>

Author: 28 people