feat: Adds ci workflow.

docker/Dockerfile.test

@@ -0,0 +1,36 @@
+FROM docker.io/swift:6.2-noble
+
+# Make sure all system packages are up to date, and install only essential packages.
+RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
+    && apt-get -q update \
+    && apt-get -q dist-upgrade -y \
+    && apt-get -q install -y \
+      libjemalloc2 \
+      ca-certificates \
+      tzdata \
+# If your app or its dependencies import FoundationNetworking, also install `libcurl4`.
+       libcurl4 \
+# If your app or its dependencies import FoundationXML, also install `libxml2`.
+      # libxml2 \
+      sqlite3 \
+    && rm -r /var/lib/apt/lists/*
+
+# Set up a build area
+WORKDIR /app
+
+# First just resolve dependencies.
+# This creates a cached layer that can be reused
+# as long as your Package.swift/Package.resolved
+# files do not change.
+COPY ./Package.* ./
+RUN swift package resolve \
+        $([ -f ./Package.resolved ] && echo "--force-resolved-versions" || true)
+
+# Copy entire repo into container
+COPY . .
+
+ENV SWIFT_BACKTRACE=enable=no
+ENV LOG_LEVEL=debug
+
+CMD ["swift", "test"]
+