Update v0.21

[h1]Patch Notes – New Update![/h1] I'm excited to introduce a new update featuring fresh content, improvements, and important bug fixes. [hr][/hr] [h2]New[/h2] [list] [*][b]4 New Ships[/b] to unlock and command: Argo Freighter A, Argo Freighter B, Argo Freighter C, Argo Freighter D. [*][b]Expanded System Slots:[/b] System slots have been expanded on various ships. [*][b]New Option:[/b] Mute the game while running in the background. [/list] [hr][/hr] [h2]Update[/h2] [list] [*]Discovered objects such as asteroids and planets are now saved and will reappear on the sector map when revisiting the sector. [*][b]Resource Adjustment:[/b] Carbon is now more common and appears more frequently in asteroids and moons. [*][b]Improved Sensor Range:[/b] The sensor range in the star map now starts at 1 instead of 0. [/list] [hr][/hr] [h2]Bug Fix[/h2] [list] [*]Audio bug fixed: Engine noises during extraction are no longer present. [/list]