docs: update docs with iceriver support.

docs/miners/antminer/X19.md

@@ -225,6 +225,13 @@
         show_root_heading: false
         heading_level: 4
 
+## S19 Pro+ Hydro (BOS+)
+::: pyasic.miners.antminer.bosminer.X19.S19.BOSMinerS19ProPlusHydro
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 4
+
 ## T19 (BOS+)
 ::: pyasic.miners.antminer.bosminer.X19.T19.BOSMinerT19
     handler: python
@@ -281,6 +288,13 @@
         show_root_heading: false
         heading_level: 4
 
+## S19 Pro Hydro (VNish)
+::: pyasic.miners.antminer.vnish.X19.S19.VNishS19ProHydro
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 4
+
 ## T19 (VNish)
 ::: pyasic.miners.antminer.vnish.X19.T19.VNishT19
     handler: python

docs/miners/antminer/X21.md

@@ -8,6 +8,13 @@
         show_root_heading: false
         heading_level: 4
 
+## S21 Pro (Stock)
+::: pyasic.miners.antminer.bmminer.X21.S21.BMMinerS21Pro
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 4
+
 ## T21 (Stock)
 ::: pyasic.miners.antminer.bmminer.X21.T21.BMMinerT21
     handler: python
@@ -36,6 +43,13 @@
         show_root_heading: false
         heading_level: 4
 
+## S21 Pro (ePIC)
+::: pyasic.miners.antminer.epic.X21.S21.ePICS21Pro
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 4
+
 ## T21 (ePIC)
 ::: pyasic.miners.antminer.epic.X21.T21.ePICT21
     handler: python