feat: add effect cleanups, add docs (#2)

* docs: update readme

* feat: add cleanup function to effects

* refactor: move peek function to store module

* test: add nested atom check

* docs: add doc comments

* fix: `effect()` type

* refactor: remove divider comment

src/utils/collect.luau

@@ -1,3 +1,7 @@
+--[=[
+	Trigger a garbage collection cycle by allocating a large amount of junk memory
+	and then waiting for the next frame.
+]=]
 local function collect()
 	for _ = 1, 1e4 do
 		local _ = table.create(1e3)