update algorithm documentation

- add more information if a algorithm derives from an other
- update `pools.tpl`

README.md

@@ -64,11 +64,13 @@ If your prefered coin is not listed, you can choose one of the following algorit
     - cryptonight_lite_v7_xor (algorithm used by ipbc)
 - 2MiB scratchpad memory
     - cryptonight
+    - cryptonight_gpu (for Ryo's 14th of Feb fork)
     - cryptonight_masari (used in 2018)
     - cryptonight_v7
     - cryptonight_v7_stellite
     - cryptonight_v8
     - cryptonight_v8_half (used by masari and stellite)
+    - cryptonight_v8_zelerius
 - 4MiB scratchpad memory
     - cryptonight_haven
     - cryptonight_heavy

xmrstak/pools.tpl

@@ -45,9 +45,12 @@ POOLCONF],
  *    cryptonight_lite_v7_xor (algorithm used by ipbc)
  *    # 2MiB scratchpad memory
  *    cryptonight
+ *    cryptonight_gpu (for Ryo's 14th of Feb fork)
  *    cryptonight_superfast
  *    cryptonight_v7
  *    cryptonight_v8
+ *    cryptonight_v8_half (used by masari and stellite)
+ *    cryptonight_v8_zelerius
  *    # 4MiB scratchpad memory
  *    cryptonight_bittube2
  *    cryptonight_haven