mv old version to src/v1 folder

src/v1/htrsim/DESCRIPTION

src/v1/htrsim/NAMESPACE

src/v1/htrsim/R/generate_counts.R

src/v1/htrsim/R/htrsim_workflow.R

src/v1/htrsim/R/input_estimation.R

src/v1/htrsim/R/launch_deseq.R

src/v1/htrsim/R/setup_cntsGenerator.R

src/v1/htrsim/devtools_history.R

src/v1/htrsim/man/estim.alpha.Rd

src/v1/htrsim/man/estim.mu.Rd

src/v1/htrsim/man/generate_counts.Rd

src/v1/htrsim/man/handle_except.Rd

src/v1/htrsim/man/htrsim.Rd

src/v1/htrsim/man/reshape_input2setup.Rd

src/v1/htrsim/man/rn_sim.Rd

src/v1/htrsim/man/run.deseq.Rd

src/v1/htrsim/man/setup_countGener.Rd

src/v1/htrsim/tests/testthat.R

src/v1/htrsim/tests/testthat/test-name.R

src/v1/htrsim/vignettes/comment-utiliser-mon-package.Rmd