fix: Change declare enum to type

[sya-ri]

If #48 is not merged, it will not compile. I thought about putting it in one PR but splitting it into two PRs in case I could discuss this change with you.

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Using "declare enum" gives an undefined error. It can also define an enum on the js side, but using "type" is better. d.ts can only define types/interfaces (in other words, inputs and outputs), not new enums. Have you tried this API by creating a Typescript project? Also, this change is just a fix for broken code, not a breaking change.

Before

Source code (src/index.ts)

import HenrikDevValorantAPI, { Regions } from 'unofficial-valorant-api';

const run = async () => {
    const api = new HenrikDevValorantAPI();
    console.info(await api.getMatches({ region: Regions.Asia, name: '...', tag: '...' }));
}

run().catch(err => console.error(err))

Error

> ts-node src/index.ts

TypeError: Cannot read properties of undefined (reading 'Asia')
    at /Users/epq/project/Private/valorant-stats/src/index.ts:5:57
    at Generator.next (<anonymous>)
    at /Users/epq/project/Private/valorant-stats/src/index.ts:31:71
    at new Promise (<anonymous>)
    at __awaiter (/Users/epq/project/Private/valorant-stats/src/index.ts:27:12)
    at run (/Users/epq/project/Private/valorant-stats/src/index.ts:3:24)
    at Object.<anonymous> (/Users/epq/project/Private/valorant-stats/src/index.ts:8:1)
    at Module._compile (node:internal/modules/cjs/loader:1103:14)
    at Module.m._compile (/Users/epq/project/Private/valorant-stats/node_modules/ts-node/src/index.ts:1618:23)
    at Module._extensions..js (node:internal/modules/cjs/loader:1155:10)

After

Source code (src/index.ts)

import HenrikDevValorantAPI from 'unofficial-valorant-api';

const run = async () => {
    const api = new HenrikDevValorantAPI();
    console.info(await api.getMatches({ region: 'ap', name: '...', tag: '...' }));
}

run().catch(err => console.error(err))

[Henrik-3]

Have you tried this API by creating a Typescript project? ==> Actually no, i code in raw JS since two years as my first language ever and because of school that i vistited until a month ago i never really had time to take a look at TS, so i thought i am gonna do a small implementation based on what i know from other packages and if something is not working someone will create a PR for that, that's what happened now.

Thanks for the enum/type explanation, that is good to know ^^