Functionalise fit_MA_mv #29

[egouldo]

• functionalise manuscript code in SM3 #29 add fit_MA_mv() and document
• Remove extra linespace Use logo.png in README to prevent double logo rendering in pkgdown [skip ci] #28
• Add missing @imports
• Update spacing
• Update renv, update roxygen2
• functionalise manuscript code in SM3 #29 update fit_MA_mv - rm duplicate fn added to fit_metafor_mv on other branch - update roxygen blocks
• Upgrade namespace to latest 7.3.2 roxygen
• Update NAMESPACE
• Update renv activate
• functionalise manuscript code in SM3 #29 regenerate pkg man
• Increment version number to 1.1.0.9000
• functionalise manuscript code in SM3 #29 rm duplicate creation of fn fit_MA_mv()
• Collinearity subset analysis does not subset correct list-column of df's #40 need to group_by collinearity subset so blue tit effects_analysis data is lumped together.
• rm 'multivariate' from description of fit_MA_mv() - mv refers to the rma.mv function which aso fits models with random-effects / mixed effects models, not just multivariate models (and fit_MA_mv() actually does the former, not the latter).
• Increment version number to 1.1.0.9001