Add local PS5 guide DNS gateway

Dockerfile

@@ -1,4 +1,15 @@
 ARG PYTHON_IMAGE=python:3.14-alpine
+FROM ${PYTHON_IMAGE} AS certificates
+
+RUN apk add --no-cache openssl \
+    && install -d -m 0755 /certificates \
+    && openssl req -x509 -newkey rsa:2048 -sha256 -nodes -days 3650 \
+      -subj "/CN=manuals.playstation.net" \
+      -addext "subjectAltName=DNS:manuals.playstation.net" \
+      -keyout /certificates/manuals.key \
+      -out /certificates/manuals.crt \
+    && chmod 0600 /certificates/manuals.key
+
 FROM ${PYTHON_IMAGE}
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
@@ -13,6 +24,8 @@ COPY app/src /srv/public/src
 COPY app/offsets /srv/public/offsets
 COPY app/payloads /srv/public/payloads
 COPY docker/server.py /srv/server.py
+COPY docker/guide_gateway.py /srv/guide_gateway.py
+COPY --from=certificates /certificates /srv/certificates
 
 RUN cd /srv/public && sha256sum -c /tmp/payloads.sha256 \
     && rm /tmp/payloads.sha256 \