sync develop with main (#119)

* chore: remove unused rules from nvim selene setup

* test: add test for config

* chore: update tasks, run tests on all recent versions

* refactor(test): make helper test function more ergonomic

In my opinion, requiring user to access tests via `T["module_name"]`
was too fragile and typos prone.

* fix(config): typo annotations

* chore(ci): install go bins via gopher.nvim itself

* feat(struct_tags): add range support (#117)

* feat(struct_tags): add range support

* refactor: use `start`, and `end_` naming for ranges

* fix(testutils): validate provided cursor position

* chore: update CONTRIBUTING.md

* chore: add demos (#118)

* chore: add dataset for demos

* chore(demos): add demos

* chore: update CONTRIBUTING

* this copefully will fix comments gif

* chore: add note about lazy loading

* chore(readme): at this point there is no code from go.nvim or iferr

* chore(readme): update the structure

* chore(readme): change wording of some things

lua/gopher/config.lua

@@ -109,4 +109,4 @@ setmetatable(config, {
 
 ---@dochide
 ---@return gopher.Config
-return config
+return config --[[ @as gopher.Config ]]