chore: remove test files from build; some configs.js -> config.ts; do not downlevel iteration

[XantreDev]

Towards #165
Closes #164
Closes #172

[anton-trunov]

@XantreDev https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword

It's also case insensitive and : can be added after one of the keywords

[XantreDev]

`npm pack`

ton-ton typescript-configs ❯ npm pack --dry-run
npm notice
npm notice 📦  @ton/ton@16.1.0
npm notice Tarball Contents
npm notice 1.1kB LICENSE
npm notice 2.4kB README.md
npm notice 21.3kB dist/client/api/HttpApi.d.ts
npm notice 11.7kB dist/client/api/HttpApi.js
npm notice 593B dist/client/api/TonCache.d.ts
npm notice 950B dist/client/api/TonCache.js
npm notice 6.9kB dist/client/TonClient.d.ts
npm notice 15.6kB dist/client/TonClient.js
npm notice 33.1kB dist/client/TonClient4.d.ts
npm notice 30.3kB dist/client/TonClient4.js
npm notice 14.0kB dist/config/ConfigParser.d.ts
npm notice 35.8kB dist/config/ConfigParser.js
npm notice 1.6kB dist/elector/ElectorContract.d.ts
npm notice 9.7kB dist/elector/ElectorContract.js
npm notice 2.2kB dist/index.d.ts
npm notice 10.7kB dist/index.js
npm notice 756B dist/jetton/JettonMaster.d.ts
npm notice 1.3kB dist/jetton/JettonMaster.js
npm notice 484B dist/jetton/JettonWallet.d.ts
npm notice 768B dist/jetton/JettonWallet.js
npm notice 590B dist/multisig/MultisigOrder.d.ts
npm notice 2.6kB dist/multisig/MultisigOrder.js
npm notice 434B dist/multisig/MultisigOrderBuilder.d.ts
npm notice 1.3kB dist/multisig/MultisigOrderBuilder.js
npm notice 1.2kB dist/multisig/MultisigWallet.d.ts
npm notice 6.4kB dist/multisig/MultisigWallet.js
npm notice 322B dist/utils/createTestClient.d.ts
npm notice 739B dist/utils/createTestClient.js
npm notice 326B dist/utils/createTestClient4.d.ts
npm notice 589B dist/utils/createTestClient4.js
npm notice 856B dist/utils/fees.d.ts
npm notice 4.4kB dist/utils/fees.js
npm notice 236B dist/utils/maybe.d.ts
npm notice 268B dist/utils/maybe.js
npm notice 275B dist/utils/randomTestKey.d.ts
npm notice 787B dist/utils/randomTestKey.js
npm notice 1.0kB dist/utils/testWallets.d.ts
npm notice 577B dist/utils/testWallets.js
npm notice 656B dist/utils/time.d.ts
npm notice 2.0kB dist/utils/time.js
npm notice 247B dist/utils/toUrlSafe.d.ts
npm notice 579B dist/utils/toUrlSafe.js
npm notice 2.3kB dist/wallets/signing/createWalletTransfer.d.ts
npm notice 7.3kB dist/wallets/signing/createWalletTransfer.js
npm notice 418B dist/wallets/signing/singer.d.ts
npm notice 776B dist/wallets/signing/singer.js
npm notice 4.3kB dist/wallets/v4/WalletContractV4.d.ts
npm notice 8.5kB dist/wallets/v4/WalletContractV4.js
npm notice 1.4kB dist/wallets/v4/WalletContractV4Actions.d.ts
npm notice 4.3kB dist/wallets/v4/WalletContractV4Actions.js
npm notice 4.3kB dist/wallets/v5beta/WalletContractV5Beta.d.ts
npm notice 7.2kB dist/wallets/v5beta/WalletContractV5Beta.js
npm notice 553B dist/wallets/v5beta/WalletV5BetaActions.d.ts
npm notice 3.7kB dist/wallets/v5beta/WalletV5BetaActions.js
npm notice 467B dist/wallets/v5beta/WalletV5BetaWalletId.d.ts
npm notice 1.4kB dist/wallets/v5beta/WalletV5BetaWalletId.js
npm notice 775B dist/wallets/v5beta/WalletV5OutActions.d.ts
npm notice 434B dist/wallets/v5beta/WalletV5OutActions.js
npm notice 4.4kB dist/wallets/v5r1/WalletContractV5R1.d.ts
npm notice 8.5kB dist/wallets/v5r1/WalletContractV5R1.js
npm notice 1.0kB dist/wallets/v5r1/WalletV5R1Actions.d.ts
npm notice 4.9kB dist/wallets/v5r1/WalletV5R1Actions.js
npm notice 1.8kB dist/wallets/v5r1/WalletV5R1WalletId.d.ts
npm notice 2.7kB dist/wallets/v5r1/WalletV5R1WalletId.js
npm notice 1.6kB dist/wallets/WalletContractV1R1.d.ts
npm notice 3.2kB dist/wallets/WalletContractV1R1.js
npm notice 1.6kB dist/wallets/WalletContractV1R2.d.ts
npm notice 3.3kB dist/wallets/WalletContractV1R2.js
npm notice 1.6kB dist/wallets/WalletContractV1R3.d.ts
npm notice 3.2kB dist/wallets/WalletContractV1R3.js
npm notice 1.7kB dist/wallets/WalletContractV2R1.d.ts
npm notice 3.4kB dist/wallets/WalletContractV2R1.js
npm notice 1.7kB dist/wallets/WalletContractV2R2.d.ts
npm notice 3.4kB dist/wallets/WalletContractV2R2.js
npm notice 1.8kB dist/wallets/WalletContractV3R1.d.ts
npm notice 3.5kB dist/wallets/WalletContractV3R1.js
npm notice 1.8kB dist/wallets/WalletContractV3R2.d.ts
npm notice 3.5kB dist/wallets/WalletContractV3R2.js
npm notice 509B dist/wallets/WalletContractV3Types.d.ts
npm notice 77B dist/wallets/WalletContractV3Types.js
npm notice 85B dist/wallets/WalletContractV4.d.ts
npm notice 878B dist/wallets/WalletContractV4.js
npm notice 140B dist/wallets/WalletContractV5Beta.d.ts
npm notice 951B dist/wallets/WalletContractV5Beta.js
npm notice 128B dist/wallets/WalletContractV5R1.d.ts
npm notice 939B dist/wallets/WalletContractV5R1.js
npm notice 2.3kB package.json
npm notice Tarball Details
npm notice name: @ton/ton
npm notice version: 16.1.0
npm notice filename: ton-ton-16.1.0.tgz
npm notice package size: 51.5 kB
npm notice unpacked size: 340.2 kB
npm notice shasum: 53c28e3abad1d2455f6ecd12dbe310a5a12b1c63
npm notice integrity: sha512-g2LXIwijR2K40[...]xAtOCt/vtOueg==
npm notice total files: 87
npm notice