Add Fulmine.js server

Author: nigrosimone

src/Servers/FulmineServer/Dockerfile

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+FROM node:22-trixie-slim
+# fulmine.js depends on uWebSockets.js, which npm installs from its git tag rather than from the
+# registry, and whose prebuilt binary needs glibc 2.38, which is why this is trixie and not the
+# bookworm -slim every other server here uses. git fetches it over https because npm asks for the
+# repository over ssh by default and this image carries no key.
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends git ca-certificates \
+    && rm -rf /var/lib/apt/lists/* \
+    && git config --global url."https://github.com/".insteadOf ssh://git@github.com/
+WORKDIR /app
+COPY src/Servers/FulmineServer/package.json .
+# the version is pinned rather than ranged, since this repo does not keep lock files, and nothing
+# here needs an install script to run
+RUN npm install --omit=dev --ignore-scripts
+# ExpressServer's application, not a copy of it. Fulmine.js is a drop-in replacement for Express 5,
+# so the package is installed under the name "express" and the same file runs unchanged: what is
+# probed here is the same application as the Express row, with only the framework behind it swapped.
+COPY src/Servers/ExpressServer/server.js .
+USER node
+ENTRYPOINT ["node", "server.js", "8080"]

src/Servers/FulmineServer/package.json

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+{
+  "name": "fulmine-server",
+  "private": true,
+  "dependencies": {
+    "express": "npm:fulmine.js@5.13.3"
+  }
+}

src/Servers/FulmineServer/probe.json

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+{"name": "Fulmine.js", "language": "JavaScript"}