v2.0.0-alpha.12

• chore: fix indent in example (7f9b37e)
• fix(utils): support numerical keys in walkSet (b8fc424)
• chore: add sideEffects: true (66ccd52)
• feat(types): complete typings as much as possible (b2eda1f)
• chore: rebase main branch (712680c)
• feat(types): wip of ts typings (d9159d8)