feat(content): New alien faction: The Successors (endless-sky#10296)

.codespell.words.exclude

@@ -1,4 +1,5 @@
 aesthetic
 aesthetics
 aesthetically
+ket
 ser

copyright

@@ -2958,6 +2958,7 @@ Files:
  sounds/sheragi?launch*
  sounds/stagnation?beam*
  sounds/star?tail*
+ sounds/*successor?afterburner*
  sounds/swarm?missile*
  sounds/thorax?cannon*
  sounds/tractor?beam*
@@ -3615,6 +3616,138 @@ Copyright: NASA
 License: public-domain
  Derived from works by NASA/JPL-Caltech/Malin Space Science Systems.
 
+Files:
+ images/effect/bimodal?impact*
+ images/effect/bimodal?switch?impact*
+ images/effect/drag?cannon?impact*
+ images/effect/overcharged?pulse?laser?impact*
+ images/effect/successor?flare/*
+ images/effect/successor?pulse?laser?impact*
+ images/effect/void?spark*
+ images/hardpoint/bimodal?turret*
+ images/hardpoint/overcharged?pulse?laser?turret*
+ images/hardpoint/successor?pulse?laser?turret*
+ images/icon/hv?spike*
+ images/label/successors*
+ images/outfit/bimodal?coilgun?turret*
+ images/outfit/bimodal?coilgun*
+ images/outfit/drag?cannon*
+ images/outfit/fuel?sail*
+ images/outfit/hv?spike?rack*
+ images/outfit/hv?spike*
+ images/outfit/large?betavoltaic*
+ images/outfit/large?successor?battery*
+ images/outfit/large?successor?reactor*
+ images/outfit/large?successor?reverse*
+ images/outfit/large?successor?shield*
+ images/outfit/large?successor?steering*
+ images/outfit/large?successor?thruster*
+ images/outfit/medium?betavoltaic*
+ images/outfit/medium?successor?reactor*
+ images/outfit/medium?successor?repair*
+ images/outfit/medium?successor?reverse*
+ images/outfit/medium?successor?shield*
+ images/outfit/medium?successor?steering*
+ images/outfit/medium?successor?thruster*
+ images/outfit/overcharged?betavoltaic*
+ images/outfit/overcharged?pulse?laser?turret*
+ images/outfit/overcharged?pulse?laser*
+ images/outfit/railgun?h2h*
+ images/outfit/shield?cortex?interface*
+ images/outfit/sjeja?kinetic?lance*
+ images/outfit/small?betavoltaic*
+ images/outfit/small?successor?battery*
+ images/outfit/small?successor?reactor*
+ images/outfit/small?successor?repair*
+ images/outfit/small?successor?reverse*
+ images/outfit/small?successor?shield*
+ images/outfit/small?successor?steering*
+ images/outfit/small?successor?thruster*
+ images/outfit/successor?armor*
+ images/outfit/successor?cooling*
+ images/outfit/successor?engines?tiny*
+ images/outfit/successor?license*
+ images/outfit/successor?pulse?laser?turret*
+ images/outfit/successor?pulse?laser*
+ images/outfit/tiny?successor?shield*
+ images/outfit/tuur?scanning?suite*
+ images/outfit/veldt?combat?scanner*
+ images/planet/station?successor*
+ images/projectile/bimodal?switch*
+ images/projectile/bimodal*
+ images/projectile/drag?cannon*
+ images/projectile/sjeja?kinetic?lance*
+ images/projectile/successor?pulse?laser*
+ images/ship/aaulqra*
+ images/ship/ejniisde*
+ images/ship/kaskhorade*
+ images/ship/kvelqde-khora*
+ images/ship/kvelqde*
+ images/ship/myaede*
+ images/ship/nnesaarau*
+ images/ship/ojde*
+ images/ship/seiitej*
+ images/ship/stolsaqra*
+ images/ship/veusade*
+ images/ship/vujlet*
+ images/thumbnail/aaulqra*
+ images/thumbnail/ejniisde*
+ images/thumbnail/kaskhorade*
+ images/thumbnail/kvelqde-khora*
+ images/thumbnail/kvelqde*
+ images/thumbnail/myaede*
+ images/thumbnail/nnesaarau*
+ images/thumbnail/ojde*
+ images/thumbnail/seiitej*
+ images/thumbnail/stolsaqra*
+ images/thumbnail/veusade*
+ images/thumbnail/vujlet*
+Copyright: Daeridanii (https://github.com/Daeridanii1)
+License: CC-BY-SA-4.0
+
+Files:
+  sounds/bimodal*
+  sounds/drag?cannon*
+  sounds/overcharged?pulse?laser*
+  sounds/successor?pulse?laser*
+Copyright: Daeridanii (https://github.com/Daeridanii1)
+License: CC-BY-SA-4.0
+Comment: Sound effects generated with Labchirp v1.60 (https://labbed.net/software/labchirp/).
+
+Files:
+ images/_menu/haze-tear*
+ images/star/void-scar*
+Copyright: Daeridanii (https://github.com/Daeridanii1)
+License: CC0
+Comment: Derived from works by NASA in the public domain.
+
+Files:
+ images/land/fog12*
+Copyright: US National Park Service
+License: public-domain
+ From the US National Park Service, and therefore in the public domain
+ because it was created by government employees while doing work for the government.
+
+Files:
+ images/land/snow24*
+Copyright: NPS Photo / Kent Miller
+License: public-domain
+ From the US National Park Service, and therefore in the public domain
+ because it was created by government employees while doing work for the government.
+
+Files:
+ images/land/snow25*
+Copyright: DCheretovich
+License: CC0
+Comment: Taken from https://commons.wikimedia.org/wiki/File:Vatnajökull_glacier.jpg and cropped.
+
+Files:
+ images/land/lava14*
+Copyright: USGS
+License: public-domain
+ From the USGS, and therefore in the public domain because it was created by
+ government employees while doing work for the government.
+
 License: Depends
  Taken from unsplash.com. Until June 2017, this was a collection of photographs that had been donated and
  placed in the public domain. In June 2017, Unsplash modified their terms and conditions to make all images

credits.txt

@@ -54,6 +54,7 @@ Storyline & Faction Authors
   Amazinite
   Arachi-Lover
   beccabunny
+  Daeridanii
   Lia Gerty
   LocalGod79
   MasterOfGrey

data/effects.txt

@@ -457,3 +457,26 @@ effect "sheragi launch"
 
 effect "scin launch"
 	sound "scin launch"
+
+effect "spatial hazard"
+	sprite "effect/jump drive"
+		"no repeat"
+		"frame rate" 12
+	"lifetime" 10
+	"random angle" 180
+	"velocity scale" 0.05
+
+effect "void spark"
+	sprite "effect/void spark"
+		"rewind"
+		"frame rate" 6
+		"random start frame"
+		scale 10.0
+	"lifetime" 36
+
+effect "void spark tiny"
+	sprite "effect/void spark"
+		"rewind"
+		"frame rate" 6
+		"random start frame"
+	"lifetime" 36