Dirac solver

The python version of bound constrained LBFGS is added and ready for testing (will be moved to C in the meantime). To build with libdirac, use cmake option -DLIBDIRAC_PREFIX=/path/to/libdirac/install

docker/ubuntu_24_04_base

+FROM ubuntu:24.04
+
+RUN export DEBIAN_FRONTEND=noninteractive && apt-get update && \
+    apt-get install -y \
+    libboost-all-dev g++ cmake libfftw3-dev liblapacke-dev \
+    git pkg-config && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*