Use settings to determine spawn chance, frequency, level, & light requirements

README.md

@@ -14,6 +14,35 @@ An explosive nuisance for [Minetest](http://minetest.net/).
   - Original by Rui: WTFPL
 - tnt_function code: [MIT](tnt_function.lua)
 
+---
+### Usage:
+
+Settings:
+- ***sneeker.spawn_chance***
+  - Sets possibility for spawn.
+	- type: int
+	- default: 10000
+- ***sneeker.spawn_interval***
+  - Sets frequency of spawn chance.
+	- type: int
+	- default: 240 (4 minutes)
+- ***sneeker.spawn_minlight***
+  - Sets the minimum light that a node must have for spawn to occur.
+	- type: int
+	- default: 0
+- ***sneeker.spawn_maxlight***
+  - Sets the maximum light that a node can have for spawn to occur.
+	- type: int
+	- default: 9
+- ***sneeker.spawn_minheight***
+  - Sets the maximum light that a node can have for spawn to occur.
+	- type: int
+	- default: -31000
+- ***sneeker.spawn_maxheight***
+  - Sets the lowest position at which sneeker can spawn.
+	- type: int
+	- default 31000
+
 ---
 ### Links: