refactor!: design overhaul (#1)

* refactor!: use atom functions

* docs: reformat api reference

* docs: showcase atom functions

* docs: remove unused import

* refactor: finalize updates

* chore: misc edits

src/types.luau

@@ -0,0 +1,16 @@
+export type WeakMap<K, V> = typeof(setmetatable({} :: { [K]: V }, { __mode = "k" }))
+
+export type Atom<T> = (() -> T) & (state: T | (T) -> T) -> T
+
+export type Source<T> = () -> T
+
+export type AtomOptions<T> = {
+	equals: (prev: T, next: T) -> boolean,
+}
+
+export type SyncPayload = {
+	type: "patch" | "set",
+	data: { [any]: any },
+}
+
+return nil