Add the open collective link to the sidebar
MODIFY
website/src/_includes/layouts/base.njk
website/src/_includes/layouts/base.njk
{% include "./svg/twitter.njk" %}
</a>
</li>
+ <li>
+ <a target="_blank" rel="noopener" href="https://opencollective.com/romejs">
+ <span class="sr-only">Open Collective</span>
+ {% include "./svg/open-collective.njk" %}
+ </a>
+ </li>
</ul>
</nav>

ADD
website/src/_includes/layouts/svg/open-collective.njk
+<svg data-name="open collective" class="open-collective" height="24px" width="24px"
+ xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
+ <path class="one" d="M19.54,12a7.64,7.64,0,0,1-1.22,4.1l3.07,3.08a11.86,11.86,0,0,0,2.38-7.12A11.48,11.48,0,0,0,21.33,5l-3,3a7.26,7.26,0,0,1,1.22,4Z"/>
+ <path class="two" d="M12,19.57A7.57,7.57,0,0,1,12,4.43a7.34,7.34,0,0,1,4.1,1.23l3-3A11.9,11.9,0,0,0,12,.27a11.74,11.74,0,1,0,0,23.47,11.56,11.56,0,0,0,7.12-2.44L16,18.22a6.25,6.25,0,0,1-4,1.35Z"/>
+</svg>
\ No newline at end of file

MODIFY
website/src/_includes/layouts/svg/twitter.njk
website/src/_includes/layouts/svg/twitter.njk
-
-<svg data-name="twitter" xmlns="http://www.w3.org/2000/svg" height="24px" width="24px" viewBox="0 0 32 31.21"><defs><style></style></defs><path class="cls-1" d="M10.21,28.28c11.77,0,18.21-9.75,18.21-18.21,0-.28,0-.55,0-.83a12.75,12.75,0,0,0,3.2-3.31,12.74,12.74,0,0,1-3.68,1A6.37,6.37,0,0,0,30.73,3.4,12.84,12.84,0,0,1,26.67,5a6.41,6.41,0,0,0-10.91,5.84A18.15,18.15,0,0,1,2.58,4.1a6.39,6.39,0,0,0,2,8.54,6.32,6.32,0,0,1-2.91-.8v.08A6.41,6.41,0,0,0,6.79,18.2a6.42,6.42,0,0,1-2.89.11,6.4,6.4,0,0,0,6,4.44,12.89,12.89,0,0,1-8,2.75A11.23,11.23,0,0,1,.4,25.4a18.09,18.09,0,0,0,9.81,2.87"/></svg>
\ No newline at end of file
+<svg data-name="twitter"
+ xmlns="http://www.w3.org/2000/svg" height="24px" width="24px" viewBox="0 0 32 31.21">
+ <defs>
+ <style></style>
+ </defs>
+ <path class="cls-1" d="M10.21,28.28c11.77,0,18.21-9.75,18.21-18.21,0-.28,0-.55,0-.83a12.75,12.75,0,0,0,3.2-3.31,12.74,12.74,0,0,1-3.68,1A6.37,6.37,0,0,0,30.73,3.4,12.84,12.84,0,0,1,26.67,5a6.41,6.41,0,0,0-10.91,5.84A18.15,18.15,0,0,1,2.58,4.1a6.39,6.39,0,0,0,2,8.54,6.32,6.32,0,0,1-2.91-.8v.08A6.41,6.41,0,0,0,6.79,18.2a6.42,6.42,0,0,1-2.89.11,6.4,6.4,0,0,0,6,4.44,12.89,12.89,0,0,1-8,2.75A11.23,11.23,0,0,1,.4,25.4a18.09,18.09,0,0,0,9.81,2.87"/>
+</svg>
\ No newline at end of file

MODIFY
website/src/styles/_sidebar.scss
website/src/styles/_sidebar.scss
.external-links {
+ .open-collective{
+
+ .one {
+ fill: var(--toc-link-color-hover);
+ }
+
+ .two {
+ fill: var(--logo-font-color);
+ }
+
+ }
+
@include desktop-only() {
border-top: 1px solid var(--soft-border-color);
}

Add the open collective link to the sidebar (#639)