examples: reorganize

examples/.gitignore

@@ -1,23 +1,19 @@
 /cli
-/hello_world
+/fibonacci
+/fizz_buzz
 /hanoi
+/hello_v_js
+/hello_world
 /json
 /links_scraper
 /log
-/news_fetcher
-/rune
-/terminal_control
 /nbody
-/spectral
-/database/mysql
-/hello_v_js
-/fibonacci
-/sqlite
+/news_fetcher
 /path_tracing
-/gg2
+/quick_sort
+/random_ips
+/rune
+/spectral
+/terminal_control
+
 *.ppm
-empty_gg_freetype
-game_of_life/life_gg
-random_ips
-vweb/vweb_example
-x64/hello_world