Add full caddy installation (Coraza WAF + Crowdsec)

- Remove security issue when exposing ports in a docker container: Use
intranet instead
- Modify install_caddy to use new template

images/caddy_full/Dockerfile

@@ -0,0 +1,23 @@
+# Build stage with xcaddy
+FROM caddy:builder AS builder
+
+# Install xcaddy and build Caddy with plugins
+RUN xcaddy build \
+  --with github.com/corazawaf/coraza-caddy \
+  --with github.com/hslatman/caddy-crowdsec-bouncer/http
+
+# Stage to download OWASP CRS
+FROM alpine:latest AS crs
+RUN apk add --no-cache git && \
+    git clone --depth 1 --branch v4.0.0 \
+    https://github.com/coreruleset/coreruleset.git /coreruleset && \
+    mv /coreruleset/crs-setup.conf.example /coreruleset/crs-setup.conf
+
+# Final stage
+FROM caddy:latest
+
+# Copy custom Caddy binary
+COPY --from=builder /usr/bin/caddy /usr/bin/caddy
+
+# Copy OWASP CRS from the crs stage
+COPY --from=crs /coreruleset /etc/caddy/coreruleset