feat(signature): Add types to jsdocs.

Author: taylorjdawson

docs/api.md

@@ -1458,7 +1458,7 @@ Retrieves detailed information about the specified signature hash.
 
 | Name | Type | Description |  |
 | ---- | ---- | ----------- | -------- |
-| hash |  |  The (keccak 256) of the signature. |   |
+| hash | `string`  |  The (keccak 256) of the signature. |   |
 
 
 
@@ -1473,7 +1473,7 @@ const signatureDetails = await web3data.signature.getSignature('0xe2f0a05a')
 ##### Returns
 
 
--  Information pertaining to the specified signature hash.
+- `Promise.<array>`  Information pertaining to the specified signature hash.
 
 
 

src/signature.js

@@ -21,8 +21,8 @@ class Signature {
   /**
    * Retrieves detailed information about the specified signature hash.
    *
-   * @param hash - The (keccak 256) of the signature.
-   * @returns Information pertaining to the specified signature hash.
+   * @param {string} hash - The (keccak 256) of the signature.
+   * @returns {Promise<array>} Information pertaining to the specified signature hash.
    * @example const signatureDetails = await web3data.signature.getSignature('0xe2f0a05a')
    */
   getSignature(hash) {