feat: add badge for foundation members

Author: reez

docs/adoption/all.md

@@ -49,10 +49,11 @@ Explore the ecosystem of projects that are built with the BDK family of librarie
   </a>
   </div>
   <div class="tagline">
-  <h3>
-    <a href="https://www.anchorwatch.com/" target="_blank">AnchorWatch</a>
-  </h3>
-  <p>Protect your bitcoin with regulated insurance and enterprise-grade multi-institutional custody.</p>
+    <h3>
+      <a href="https://www.anchorwatch.com/" target="_blank">AnchorWatch</a>
+      <span class="foundation-member-badge">Foundation Member</span>
+    </h3>
+    <p>Protect your bitcoin with regulated insurance and enterprise-grade multi-institutional custody.</p>
   </div>
 </div>
 
@@ -402,6 +403,7 @@ Explore the ecosystem of projects that are built with the BDK family of librarie
   <div class="tagline">
     <h3>
       <a href="https://proton.me/wallet" target="_blank">Proton Wallet</a>
+      <span class="foundation-member-badge">Foundation Member</span>
     </h3>
     <p>A self-custodial Bitcoin wallet from the makers of Proton Mail.</p>
   </div>
@@ -580,6 +582,20 @@ Explore the ecosystem of projects that are built with the BDK family of librarie
   flex-basis: 70%
 }
 
+.foundation-member-badge {
+  display: inline-block;
+  margin-left: 0.5rem;
+  padding: 0.1rem 0.6rem;
+  font-size: 0.7rem;
+  font-weight: 600;
+  letter-spacing: 0.05em;
+  text-transform: uppercase;
+  border-radius: 999px;
+  background-color: var(--docs-primary-dark);
+  color: var(--docs-dark);
+  vertical-align: middle;
+}
+
 @media screen and (max-width: 700px) {
   .project {
     display: flex;