Add support for sticker Name and author (#527)

* Added Sticker author and sticker name support

This patch of Client.js includes support for sticker metadata

* Docs: stickerName and stickerAuthor in MessageOpts

* Hotfix_Sticker_Feature

fixes a bug

* Update global.html

* updated

* fixed comma

* Fixed duplicate code

* Fixing eslint

* Fixing eslint again

* eslint....

* fixing problem with eslint.

* move sticker exif data filling to Utils.formatToWebpSticker() function

* Update Client.js

* Added temporary stuff

* eslint

* Update Util.js

* eslint bad :D

* eslint

* polish work with files

* fix error and TODOs

* clean up code to match with repo code style

* update typescript params

* Update src/util/Util.js

camel Case

Co-authored-by: Pedro S. Lopez <pedroslopez@me.com>

* Update Util.js

* ➖ webp-converter ➕ node-webpmux

* Update Util.js

* ✨ Use node-webpmux

* ➖ node-webpmux ➕ node-webpmux-commonjs

* ✏️ Fixed require mode

* :heavy_plus_sign:node-webpmux ➖ node-webpmux-commonjs

* ⬆️ Node-webpmux update changes

* 🚨 removing try/catch

* 🚨 complier warnings

* 🧐 stupid mistakes

* ⬆️ Upgrade required version

* 🐛 creating a buffer the right way

* 🐛 linting and simplification

* 🐛 unsimplification

* 🚨 eslint loves singlequotes

* ✨ Added emojis / categories in metadata

* 🏷️ TypeScript Declarations

* ✨ Sticker Categories in sendMessage

* 🏷️ Improved TS declarations

* fix stickerCategories type

* fix: don't set name/author if not defined

Co-authored-by: Marcelo Carvalho <mpirescarvalho17@gmail.com>
Co-authored-by: Pedro S. Lopez <pslamoros@hotmail.com>
Co-authored-by: Pedro S. Lopez <pedroslopez@me.com>

index.d.ts

@@ -600,6 +600,12 @@ declare namespace WAWebJS {
         sendSeen?: boolean
         /** Media to be sent */
         media?: MessageMedia
+        /** Sticker name, if sendMediaAsSticker is true */
+        stickerName?: string
+        /** Sticker author, if sendMediaAsSticker is true */
+        stickerAuthor?: string
+        /** Sticker categories, if sendMediaAsSticker is true */
+        stickerCategories?: string[]
     }
 
     /** Media attached to a message */