Update file README.md

README.md

 # Code refactoring
+
+Here is the complete list of code developments done in WP3:
+
+- [matExp](https://gitlab.hpc.cineca.it/openfoam/matexp)
+- [matVecKernels](https://gitlab.hpc.cineca.it/openfoam/matveckernels)
+- [BlkRowPerm-renumberMesh](https://gitlab.hpc.cineca.it/openfoam/myrenumbermesh)
+- [OpenFOAM-SpMVM](https://gitlab.hpc.cineca.it/openfoam/openfoam_spmv​)
+- [scalablePCG](https://gitlab.hpc.cineca.it/openfoam/scalablePCG​)
+- [HLAM](https://codeocean.com/capsule/1370319/tree/v1​)
+- [foam-extend4.1-coherent-i](https://code.hlrs.de/exaFOAM/foam-extend4.1-coherent-io)
+- [reduced-foam-extend-coherent-io](https://code.hlrs.de/exaFOAM/reduced-foam-extend-coherent-io)
+- [HPCCG-gpu](https://pm.bsc.es/gitlab/tarslan/hpccg.gpu/-/tree/master/)
+- [yoctoFOAM-core](https://gitlab.hpc.cineca.it/openfoam/yoctoFOAM-herd/yoctofoam-core)
+- [zeptoFOAM](https://gitlab.hpc.cineca.it/openfoam/yoctoFOAM-herd/zeptoFOAM)
+- [OpenFOAM-HMM](https://gitlab.hpc.cineca.it/openfoam/yoctoFOAM-herd/openfoam-hmm)