Move deliberately and fix things

/doings/procedural-planets-in-godot-3

1. 2023-06-24 21:50:54Z 5b68821fc5ad37adb9d37bac66fe86b74f1e6e9c Update directories for new URLs
2. 2023-06-23 13:29:52Z de4e1388819e5394613904bbadcf5013ee09b47c Sentence-case filenames
3. 2023-06-20 09:39:30Z 90ceb1756db44421ebd0495930dbd744844ebbd4 Thought I was just that good; spellcheck was off
4. 2023-06-14 12:04:58Z ab972a34f391abf5f14ce9be351643a4bbbf0e5f Fix level of final header
5. 2023-06-12 12:17:21Z d92217bed4ff737b4a44b58a5bf7697fecb3c64e Undraft procedural planets with images and videos
6. 2023-06-11 12:17:56Z c72d1ce024c6ea7f1610359e15498ae1f66ff428 First full draft of procedural planets
7. 2023-06-10 13:02:46Z fc2c4c258a53d53621a0d1cdbf9c697978711ee4 Partial draft of procedural planet project