Added more algorithms, keyid and did some cleanup

README.md

@@ -13,7 +13,7 @@ A lightweight JWT implementation with ZERO dependencies for Cloudflare Workers.
 ## Install
 
 ```
-npm i @tsndr/cloudflare-worker-jwt
+npm i -D @tsndr/cloudflare-worker-jwt
 ```
 
 
@@ -70,7 +70,7 @@ async () => {
 
 <hr>
 
-### `jwt.sign(payload, secret, [algorithm])`
+### `jwt.sign(payload, secret, [options])`
 
 Signs a payload and returns the token.
 
@@ -80,14 +80,14 @@ Argument    | Type     | Satus    | Default | Description
 ----------- | -------- | -------- | ------- | -----------
 `payload`   | `object` | required | -       | The payload object. To use `nbf` (Not Before) and/or `exp` (Expiration Time) add `nbf` and/or `exp` to the payload.
 `secret`    | `string` | required | -       | A string which is used to sign the payload.
-`algorithm` | `string` | optional | `HS256` | The algorithm used to sign the payload, possible values: `HS256` or `HS512`
+`options`   | `object`, `string` | optional | `{ algorithm: 'HS256' }` | The options object supporting `algorithm` and `keyid` or just the algorithm string. (See [Available Algorithms](#available-algorithms))
 
 #### `return`
 Returns token as a `string`.
 
 <hr>
 
-### `jwt.verify(token, secret, [algorithm])`
+### `jwt.verify(token, secret, [options])`
 
 Verifies the integrity of the token and returns a boolean value.
 
@@ -95,7 +95,7 @@ Argument    | Type     | Satus    | Default | Description
 ----------- | -------- | -------- | ------- | -----------
 `token`     | `string` | required | -       | The token string generated by `jwt.sign()`.
 `secret`    | `string` | required | -       | The string which was used to sign the payload.
-`algorithm` | `string` | optional | `HS256` | The algorithm used to sign the payload, possible values: `HS256` or `HS512`
+`algorithm` | `object`, `string` | optional | `{ algorithm: 'HS256' }` | The options object supporting `algorithm` or just the algorithm string. (See [Available Algorithms](#available-algorithms))
 
 #### `return`
 Returns `true` if signature, `nbf` (if set) and `exp` (if set) are valid, otherwise returns `false`. 
@@ -112,3 +112,11 @@ Argument    | Type     | Satus    | Default | Description
 
 #### `return`
 Returns payload `object`.
+
+### Available Algorithms
+ - ES256
+ - ES384
+ - ES512
+ - HS256
+ - HS384
+ - HS512