Should I ask my Twitter plugin users to create their own Twitter App and API Keys to use my plugin?

I am creating my first WordPress plugin. It is a Twitter plugin that uses Twitter API 1.1 and OAuth 2.0 to generate a bearer token and then use that to fetch Tweets from Twitter. The plugin is almost ready to be launched. Right now, the user of the plugin will need to go here: https://developer.twitter.com/en/apps/create…

How to submit the custom form data in database in WordPress without plugin?

I have a created a contact form in the function.php and added short code on my page and it’s working. I am getting my form. function st_contact_form(){ ob_start(); ?> <div class=”contact_form-wrapper popup-contact-form”> <form action=”” method=”post” name=”contact_form” id=”contact_form” autocomplete=”off”> <div class=”row”> <div class=”col-xl-6 col-lg-6 col-md-6 col-sm-12 col-xs-12 “> <div class=”form-group”> <input type=”text” name=”name” placeholder=”Name” class=”form-control” required>…