feat(dev): add `Distinct` type

Useful for creating types that are stored as other types (usually
primitives) but are represented as distinct in the type system.
Canonical example exists in documentation.

src/types.ts

@@ -0,0 +1,17 @@
+/**
+ * A module for utility types that could be used in pretty much every module.
+ */
+
+/**
+ * Allows one to create a type that is stored as an underlying type but is distinct from it in the
+ * type system.
+ *
+ * @example
+ * // Creates a distinct `UUID` type from a `string` which can then be expected and only passed
+ * // with either a `UUID` constructor or a value that comes from elsewhere as a constructed `UUID`.
+ * type UUID = Distinct<"UUID", string>;
+ * function UUID(uuid: string): UUID {
+ *     return uuid as UUID;
+ * }
+ */
+export type Distinct<Tag, Type> = Type & { readonly __distinct_tag: Tag };