* Replace vim.opt with vim.o

Because it offers a nicer interface and info on hover.
For now leave vim.opt when using the table interface (until vim.o
with tables is implemented)

* Add type hint for vim.opt.rtp

* Add a comment about using vim.opt instead of vim.o

- This commit change two functions that are marked as deprecated now:
`gitsigns.stage_hunk` and `gitsigns.toggle_deleted`

* Fix nvim-dap not lazy loading

The keys property had local variables 'dap' and 'dap-ui' that used `require` and prevented all DAP related plugins from lazy-loading.
Fixed this by changing keys to a table and substituting the local variables with a lamba function

* Make debug keybind descriptions more consistent

* feat: Set breakpoint icons and their highlight colors

* docs: Delete reference URL (written in PR)
feat: "Break" and "Stop" arguments of vim.api.nvim_set_hl are changed because they are too common nouns
feat: Comment out changes regarding diagnostic symbols so that only those who want to change them can do so

---------

Co-authored-by: name <email>

* Disable linting autocmd for readonly buffers

This should avoid linting in buffers outside of the user's control,
having in mind especially the handy LSP pop-ups that describe your
hovered symbol using markdown.

Co-authored-by: Robin Gruyters <2082795+rgruyters@users.noreply.github.com>

* Justify guarding try_lint in readonly buffers

Co-authored-by: Robin Gruyters <2082795+rgruyters@users.noreply.github.com>

---------

Co-authored-by: Robin Gruyters <2082795+rgruyters@users.noreply.github.com>