feature: add support for a couple alternate models

- Antminer S19j Pro+, ANTMINER
 - Antminer S19 Pro A, VNISH
 - Antminer S19 XP, VNISH
 - Antminer L9, VNISH
 - DG1, ELPHAPEX

 Fixes: #354

docs/miners/antminer/X19.md

@@ -157,6 +157,19 @@
         show_root_heading: false
         heading_level: 0
 
+## S19j Pro+ (Stock)
+
+- [x] Shutdowns
+- [x] Power Modes
+- [ ] Setpoints
+- [ ] Presets
+
+::: pyasic.miners.antminer.bmminer.X19.S19.BMMinerS19jProPlus
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 0
+
 ## S19j XP (Stock)
 
 - [x] Shutdowns
@@ -482,6 +495,19 @@
         show_root_heading: false
         heading_level: 0
 
+## S19 Pro A (VNish)
+
+- [x] Shutdowns
+- [ ] Power Modes
+- [x] Setpoints
+- [x] Presets
+
+::: pyasic.miners.antminer.vnish.X19.S19.VNishS19ProA
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 0
+
 ## S19 Pro Hydro (VNish)
 
 - [x] Shutdowns
@@ -495,6 +521,19 @@
         show_root_heading: false
         heading_level: 0
 
+## S19 XP (VNish)
+
+- [x] Shutdowns
+- [ ] Power Modes
+- [x] Setpoints
+- [x] Presets
+
+::: pyasic.miners.antminer.vnish.X19.S19.VNishS19XP
+    handler: python
+    options:
+        show_root_heading: false
+        heading_level: 0
+
 ## S19a (VNish)
 
 - [x] Shutdowns