Add pre-commit hooks

See https://pre-commit.com/ for more information.

stairsplus/API.md

@@ -79,4 +79,4 @@ The subset table should have the following format:
     	{ "stair", "_alt_4" },
     }
 ```
-You can remove entries as needed.
+You can remove entries as needed.

stairsplus/common.lua

@@ -58,4 +58,4 @@ stairsplus.register_single = function(category, alternate, info, modname, subnam
 	end
 	minetest.register_node(":" ..modname.. ":" .. category .. "_" .. subname .. alternate, def)
 	stairsplus.register_recipes(category, alternate, modname, subname, recipeitem)
-end
+end

stairsplus/defs.lua

@@ -406,4 +406,4 @@ for type,a in pairs(stairsplus.defs) do
 	for name,b in pairs(stairsplus.defs[type]) do
 		table.insert(stairsplus.shapes_list, { type .. "_", name })
 	end
-end
+end