Clarified Blacksmith Information on Filtering Explanation (#37)

Added Footnote style comment to clarify that toolsmith buildings can also appear as the "guaranteed blacksmith".

Author: BombsanMC

docs/gameplay/seed.md

@@ -23,13 +23,15 @@ In Private Room, each seeds have 20% distribution like 1200+ range.
 ### Village
 - Spawns within 7 chunks
   - Always generated at positive coordinates for X and Z
-- Contains a guaranteed Blacksmith
+- Contains a guaranteed Blacksmith*
 - 3 lava pools are guaranteed near the Village OR the Blacksmith contains 8+ Obsidian for an enter with blacksmith lava
 - Artificial lava pools look similar to vanilla and are the 3 guaranteed ones! There may be more vanilla lava pools but the artificial ones are guaranteed.
 - Taiga villages always have 10+ Obsidian enters (lava pools do still exist)
 - Golem only ever drops 4 Iron, never 3 or never 5.
 - At least 7 Iron (or 4 Iron + 3 Diamonds) (including golem) with food in chests or haybales
 
+*: The guaranteed Blacksmith is usually a weaponsmith, but can instead be a toolsmith in desert and taiga villages.
+
 ### Shipwreck
 - Spawns within 4 chunks
   - Always generated at positive coordinates for X and Z