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

CONTRIBUTING.md

@@ -1,17 +1,14 @@
 # Contributing to `gopher.nvim`
-
 Thank you for taking the time to submit some code to gopher.nvim. It means a lot!
 
 ### Task running
-
 In this codebase for running tasks is used [Taskfile](https://taskfile.dev).
 You can install it with:
 ```bash
 go install github.com/go-task/task/v3/cmd/task@latest
 ```
 
-### Styling and formatting
-
+### Formatting and linting
 Code is formatted by [stylua](https://github.com/JohnnyMorganz/StyLua) and linted using [selene](https://github.com/Kampfkarren/selene).
 You can install these with:
 
@@ -22,30 +19,31 @@ sudo pacman -S selene stylua
 
 For formatting use this following commands, or setup your editor to integrate with selene/stylua:
 ```bash
-task stylua
-task lint # lintering and format chewing
+task format
+task lint
 ```
 
 ### Documentation
+Here we're using [mini.doc](https://github.com/echasnovski/mini.nvim/blob/main/readmes/mini-doc.md)
+for generating vimhelp files based on [LuaCats](https://luals.github.io/wiki/annotations/) annotations in comments.
 
-Here we are using [mini.doc](https://github.com/echasnovski/mini.nvim/blob/main/readmes/mini-doc.md)
-for generating help files based on EmmyLua-like annotations in comments
+For demo gifs in [readme](./README.md) we're using [vhs](https://github.com/charmbracelet/vhs).
+All files related to demos live in [/vhs](./vhs) dir.
 
 You can generate docs with:
 ```bash
-task docgen
+task docgen       # generates vimhelp
+task vhs:generate # generates demo gifs
 ```
 
 ### Commit messages
-
 We use [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/), please follow it.
 
 ### Testing
-
 For testing this plugins uses [mini.test](https://github.com/echasnovski/mini.nvim/blob/main/readmes/mini-test.md).
 All tests live in [/spec](./spec) dir.
 
 You can run tests with:
 ```bash
-task tests
+task test
 ```