feat(webring): join the Profullstack ring footer (#2)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

Author: ralyodio

.well-known/openwebring.json

@@ -0,0 +1,6 @@
+{
+  "openwebring": "0.1",
+  "site": { "url": "https://sysops.ceo/", "name": "sysops.ceo" },
+  "made_by": "both",
+  "rings": [{ "ring": "https://rssamplifier.com/ring/profullstack", "slug": "sysops-ceo" }]
+}

Dockerfile

@@ -3,4 +3,6 @@ FROM nginx:1.29-alpine-slim
 # set modes here or nginx (user nginx) answers 403.
 COPY --chmod=644 nginx.conf /etc/nginx/conf.d/default.conf
 COPY --chmod=644 index.html /usr/share/nginx/html/index.html
+COPY --chmod=644 .well-known/openwebring.json /usr/share/nginx/html/.well-known/openwebring.json
+RUN chmod 755 /usr/share/nginx/html/.well-known
 EXPOSE 3000

index.html

@@ -8,5 +8,13 @@
 </head>
 <body>
 <h1>sysops.ceo</h1>
+<footer>
+<nav class="webring" aria-label="Profullstack webring" style="display:flex;justify-content:center;gap:12px;font-size:13px;margin-top:48px">
+  <a href="https://rssamplifier.com/ring/profullstack/previous?from=https%3A%2F%2Fsysops.ceo%2F" rel="prev" title="Previous site" style="color:#777">&lt;&lt;</a>
+  <a href="https://rssamplifier.com/ring/profullstack" style="color:#777">Profullstack</a>
+  <a href="https://rssamplifier.com/ring/profullstack/next?from=https%3A%2F%2Fsysops.ceo%2F" rel="next" title="Next site" style="color:#777">&gt;&gt;</a>
+  <a href="https://rssamplifier.com/ring/profullstack/random?from=https%3A%2F%2Fsysops.ceo%2F" title="Random site" aria-label="Random site" style="color:#777">&#x2684;</a>
+</nav>
+</footer>
 </body>
 </html>