Add Pikas Miscellaneous Mods (#78)

* Add regex plugin
  * To end of masterlist.

* Add location
  * https://www.nexusmods.com/morrowind/mods/46364/

* Add `useOnlyOneX` message
  * Only one "Better Propylon Teleport Warp" ESP can be used at a time.

* Add requirement
  * "Master Index" version requires the official "Master Index" plugin
    or an alternative like `MasterIndexRedux.esp`:
    * https://www.nexusmods.com/morrowind/mods/48977/

masterlist.yaml

@@ -808,3 +808,19 @@ plugins:
       - 'NOM3.0.esp'
       - 'NOM3_PT SO.esp'
       - 'NoM_Creatures Loot Standard.esp'
+
+  ### Other Stuff (sort later) ###
+  - name: 'Better Propylon Teleport Warp(-Master Index)?\.esp'
+    url:
+      - link: 'https://www.nexusmods.com/morrowind/mods/46364/'
+        name: 'Pikas Miscellaneous Mods'
+    msg:
+      - <<: *useOnlyOneX
+        subs: [ 'Better Propylon Teleport Warp ESP' ]
+        condition: 'many("Better Propylon Teleport Warp(-Master Index)?\.esp")'
+  - name: 'Better Propylon Teleport Warp-Master Index.esp'
+    after: [ 'MasterIndexRedux.esp' ]
+    req:
+      - name: 'master_index.esp'
+        display: '[Master Index Plugin](https://www.nexusmods.com/morrowind/mods/42985/) **OR** [Unofficial Morrowind Official Plugins Patched](https://www.nexusmods.com/morrowind/mods/43931/) (**master-index.esp**)'
+        condition: 'not active("MasterIndexRedux.esp")'