feat(get-involved): replace ghost newsletter sign up with mailchimp

* Turn autocompletion off, including lastpass and 1password
* Remove error/success styles

Author: sarmstead

partials/get-involved.hbs

@@ -4,12 +4,17 @@
     <section class='get-involved__row'>
         <section class='get-involved__column--newsletter'>
             <p>Tune in to Ruby Central by<br />subscribing to our newsletter.</p>
-            <form class='get-involved__form' data-members-form='subscribe'>
+            <form
+                action='https://rubycentral.us13.list-manage.com/subscribe/post?u=e7e9b891a6914ff2f5acdfd15&amp;id=0a6a1336c5&amp;v_id=5118&amp;f_id=008ef4e7f0'
+                autocomplete='off'
+                class='get-involved__form'
+                method='post'
+            >
                 <div class='get-involved__form__row'>
                     <input
-                        data-members-email
-                        name='email'
-                        id='get-involved-email'
+                        data-lpignore='true'
+                        data-1p-ignore
+                        name='EMAIL'
                         placeholder='Enter your email...'
                         required='true'
                         type='email'
@@ -18,8 +23,6 @@
                         <button class='kg-btn' type='submit'>Sign Up</button>
                     </div>
                 </div>
-                <span data-members-error></span>
-                <span data-members-success></span>
             </form>
         </section>
         <section class='get-involved__column--content'>

src/css/components/get-involved.css

@@ -13,25 +13,6 @@
         margin: 0 auto 30px;
     }
 
-    span[data-members-error],
-    span[data-members-success] {
-        display: none;
-        font-size: 0.875rem;
-        font-weight: 700;
-        line-height: 1rem;
-        padding: 16px 0;
-    }
-
-    .error span[data-members-error] {
-        color: var(--color-darkred);
-        display: block;
-    }
-
-    .success span[data-members-success] {
-        color: green;
-        display: block;
-    }
-
     .get-involved__title {
         font-size: 2rem;
         font-weight: 500;
@@ -93,11 +74,6 @@
     @media (min-width: 834px) {
         padding: 96px 56px 0;
 
-        span[data-members-error],
-        span[data-members-success] {
-            text-align: center;
-        }
-
         .get-involved__title {
             font-size: 2.625rem;
         }