VIM / NVIM enhancements

[enggnr]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...) Changes the way vim/nvim are configured

• Other information: Fixes #69.

[github-actions[bot]]

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Files not summarized due to errors (4)

### Failed to summarize * home/dot_config/vim/vimrc (diff tokens exceeds limit) * home/.chezmoiscripts/universal/run_onchange_after_39-vim-plugins.sh.tmpl (nothing obtained from openai) * home/dot_config/shell/aliases.sh.tmpl (nothing obtained from openai) * home/.chezmoidata.yaml (nothing obtained from openai)

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In the recent run, only the files that changed from the base of the PR and between 9ff6720e4e7d727e47a3a7de00ded001920990a1 and b32ef750f0b1f48df6adf7000632020888159451 commits were reviewed.

Files not reviewed due to errors in the recent run (4)

### Failed to review in the last run * home/.chezmoidata.yaml (no response) * home/.chezmoiscripts/universal/run_onchange_after_39-vim-plugins.sh.tmpl (no response) * home/dot_config/shell/aliases.sh.tmpl (no response) * home/dot_config/vim/vimrc (no response)