refactor!: migrate to monorepo (#23)

* refactor!: create monorepo

* chore: prepare release, set up workflows

* refactor: rename `modules` to `src`

* docs: add docs for all packages

* refactor: rename root project file

* chore: bump deps

* build: rename `lint`, add `pack` script

* revert: delete pack script

This will not be useful for development.

tests/charm-sync/validate.spec.luau

@@ -0,0 +1,36 @@
+local ReplicatedStorage = game:GetService("ReplicatedStorage")
+
+local Charm = require(ReplicatedStorage.DevPackages.Charm)
+local atom = Charm.atom
+local validate = require(ReplicatedStorage.DevPackages.CharmSync.validate)
+
+return function()
+	it("validates inputs", function()
+		local cases: { [string]: { value: any, expected: any } } = {
+			array = { value = { 1, 2, 3 }, expected = true },
+			array_sparse = { value = { 1, nil :: any, 3 }, expected = true },
+			array_sparse_invalid = { value = { [1] = 0, [3] = 0 }, expected = false },
+
+			map_decimal_key = { value = { [1.5] = 0 }, expected = false },
+			map_mixed_key = { value = { [1] = 0, a = 0 }, expected = false },
+
+			number = { value = 1, expected = true },
+			number_infinity = { value = math.huge, expected = false },
+			number_nan = { value = 0 / 0, expected = false },
+
+			nested_atom = { value = atom(0), expected = false },
+		}
+
+		for key, case in next, cases do
+			local success, result = pcall(function()
+				validate(case.value, key)
+			end)
+
+			if case.expected and not success then
+				error(`Expected {key} to be valid, threw {result}`)
+			elseif not case.expected and success then
+				error(`Expected {key} to be invalid, but it was valid`)
+			end
+		end
+	end)
+end