Update licenses

README.md

@@ -1,26 +1,47 @@
-CaptureTheFlag
-==============
+# CaptureTheFlag
 
 Uses the [CTF PvP engine](https://github.com/rubenwardy/ctf_pvp_engine)
 
 * Fast rounds of CTF games
 * Removed nodes for focus
 
-System Requirements
--------------------
+## System Requirements
+
+### Recommended
 
-###### Recommended
 Hosting your server using the dummy backend
 
-###### minimum
+### minimum
+
 Hosting your server using the leveldb or redis backend
 
 Hosting using sqlite on an SSD or ramdisk ([with this guide](https://forum.minetest.net/viewtopic.php?f=10&t=9588))
 
-License
--------
-Created by [rubenwardy](http://rubenwardy.com/)
-Code: LGPL 2.1 or later
+## License
+
+Created by [rubenwardy](https://rubenwardy.com/)  
+Code: LGPLv2.1+
 Textures: CC-BY-SA 3.0
 
-Derived from [minetest_game](https://github.com/minetest/minetest_game)
+### Mods
+
+* [ctf_pvp_engine](https://forum.minetest.net/viewtopic.php?f=15&t=6947) by rubenwardy (: LGPLv2.1+)
+* [gauges](https://forum.minetest.net/viewtopic.php?t=10250) by Calinou (CC0)
+* [treasurer](https://forum.minetest.net/viewtopic.php?t=7292) by Wuzzy (WTFPL)
+* [tsm_chests](https://forum.minetest.net/viewtopic.php?t=7292) by Wuzzy (WTFPL)
+* [wield3d](https://forum.minetest.net/viewtopic.php?t=6407) by stu (WTFPL)
+* [dropondie](https://forum.minetest.net/viewtopic.php?id=7835) by minermoder27 (Apache 2.0)
+* [random_messages](https://forum.minetest.net/viewtopic.php?t=6306) by arsdragonfly (CC0)
+* [afkkick](https://forum.minetest.net/viewtopic.php?t=10919) by GunshipPenguin (CC0 1.0)
+* [chatplus](https://forum.minetest.net/viewtopic.php?id=6273) by rubenwardy (LGPLv2.1+)
+* [email](https://forum.minetest.net/viewtopic.php?t=13754) by rubenwardy (MIT)
+* [report](https://forum.minetest.net/viewtopic.php?t=13752) by rubenwardy (CC0)
+* [vote](https://forum.minetest.net/viewtopic.php?t=12829) by rubenwardy (MIT)
+* [no_sneak_glitch](https://forum.minetest.net/viewtopic.php?t=10424) by Wuzzy (WTFPL)
+* Minetest Game mods: default, doors, sfinv.
+  Fun fact: sfinv was made for this subgame, and then merged into MTG.
+
+**Custom Mods:**
+
+* hpregen by rubenwardy (LGPLv2.1+)
+* ctf_* by rubenwardy (LGPLv2.1+)