feat: initial fluxer codebase import

fluxer_devops/livekit/Dockerfile.caddy

@@ -0,0 +1,9 @@
+FROM caddy:2-builder AS builder
+
+RUN xcaddy build \
+    --with github.com/abiosoft/caddy-yaml \
+    --with github.com/mholt/caddy-l4
+
+FROM caddy:2
+
+COPY --from=builder /usr/bin/caddy /usr/bin/caddy