Major overhaul

- Docker buildx support in CI
- Cypress API Testing in CI
- Restructured folder layout (insert clean face meme)
- Added Swagger documentation and validate API against that (to be completed)
- Use common base image for all supported archs, which includes updated nginx with ipv6 support
- Updated certbot and changes required for it
- Large amount of Hosts names will wrap in UI
- Updated packages for frontend
- Version bump 2.1.0

frontend/js/app/nginx/certificates-list-item.ejs

@@ -0,0 +1,18 @@
+<div>
+    <% if (id === 'new') { %>
+        <div class="title">
+            <i class="fe fe-shield text-success"></i> <%- i18n('all-hosts', 'new-cert') %>
+        </div>
+        <span class="description"><%- i18n('all-hosts', 'with-le') %></span>
+    <% } else if (id > 0) { %>
+        <div class="title">
+            <i class="fe fe-shield text-pink"></i> <%- provider === 'other' ? nice_name : domain_names.join(', ') %>
+        </div>
+        <span class="description"><%- i18n('ssl', provider) %> &ndash; Expires: <%- formatDbDate(expires_on, 'Do MMMM YYYY, h:mm a') %></span>
+    <% } else { %>
+        <div class="title">
+            <i class="fe fe-shield-off text-danger"></i> <%- i18n('all-hosts', 'none') %>
+        </div>
+        <span class="description"><%- i18n('all-hosts', 'no-ssl') %></span>
+    <% } %>
+</div>