Added docker configuration

Dockerfile

@@ -0,0 +1,15 @@
+FROM gcc:12
+
+# Install build tools
+RUN apt-get update && apt-get install -y python3 ninja-build python3-pip gdb graphviz git
+RUN pip install meson gcovr
+# The version of doxy in the Debian repos is too old to support concepts, so we grab the latest release and manually install
+RUN wget https://www.doxygen.nl/files/doxygen-1.9.5.linux.bin.tar.gz && \
+    tar -xzf doxygen-1.9.5.linux.bin.tar.gz && \
+    cd doxygen-1.9.5 && \
+    make install && \
+    cd .. && \
+    rm -r doxygen-1.9.5.linux.bin.tar.gz && \
+    rm -r doxygen-1.9.5
+
+WORKDIR /usr/src/app