Gith

* Fix coverage instructions. PR [72](https://github.com/tiangolo/typer/pull/72).
* Add docs for [Building a Package](https://typer.tiangolo.com/tutorial/package/). PR [#71](https://github.com/tiangolo/typer/pull/71).
* Add docs for [Using Click (with Typer)](https://typer.tiangolo.com/tutorial/using-click/). PR [#70](https://github.com/tiangolo/typer/pull/70).
* Add support for type-based callbacks and autocompletion functions, extra tests and docs:
* Extra tests, raising coverage to 100%.
* New docs: [Printing and Colors: "Standard Output" and "Standard Error"](https://typer.tiangolo.com/tutorial/printing/#standard-output-and-standard-error).
* New docs: [Password CLI Option and Confirmation Prompt](https://typer.tiangolo.com/tutorial/options/password/).
* Support for callbacks based on type annotations. New docs: [CLI Option Callback and Context](https://typer.tiangolo.com/tutorial/options/callback-and-context/).
* New docs: [Version CLI Option, is_eager](https://typer.tiangolo.com/tutorial/options/version/).
* Support for autocompletion functions based on type annotations. New docs: [CLI Option autocompletion](https://typer.tiangolo.com/tutorial/options/autocompletion/).
* New docs: [Commands: Using the Context](https://typer.tiangolo.com/tutorial/commands/context/).
* New docs: [Testing](https://typer.tiangolo.com/tutorial/testing/).
* PR [68](https://github.com/tiangolo/typer/pull/68).
* Fix Zsh completion install script. PR [69](https://github.com/tiangolo/typer/pull/69).
* Fix typo in progressbar example. PR [63](https://github.com/tiangolo/typer/pull/63) by [ValentinCalomme](https://github.com/ValentinCalomme).

* Re-implement completion system:
* Remove optional dependency `click-completion` (with its sub-dependencies, like Jinja).
* Add optional dependency `shellingham` to auto detect shell to install (it was used by `click-completion`).
* Completion now doesn't require a third party library.
* If `shellingham` is not installed/added as a dependency, `--install-completion` and `--show-completion` take a value with the name of the shell.
* Fix support for user provided completion in *CLI Parameters*.
* Fix completion for files in Bash, Zsh, and Fish.
* Add support for modern versions of PowerShell, 5, 6, and 7 (e.g. in Windows 10).
* Add support for `pwsh` (PowerShell Core).
* PowerShell support includes help strings for commands and *CLI Parameters*.
* Several bug fixes.
* Tests for the completion logic/code.
* Tested in all the shells in Linux and Windows.
* PR [66](https://github.com/tiangolo/typer/pull/66).
* Fix format in docs with highlighted lines. PR [65](https://github.com/tiangolo/typer/pull/65).
* Add docs about [Typer CLI - completion for small scripts](https://typer.tiangolo.com/typer-cli/). PR [#64](https://github.com/tiangolo/typer/pull/64).
* Add docs about [Alternatives, Inspiration and Comparisons](https://typer.tiangolo.com/alternatives/). PR [#62](https://github.com/tiangolo/typer/pull/62).
* Add [Development - Contributing Guide](https://typer.tiangolo.com/contributing/). PR [#61](https://github.com/tiangolo/typer/pull/61).

* Add support for Click version 7.1.1. PR [60](https://github.com/tiangolo/typer/pull/60).

* Add support for PEP 561, to allow `mypy` to type check applications built with **Typer**. PR [58](https://github.com/tiangolo/typer/pull/58).
* Upgrade deploy docs to Netlify GitHub action. PR [57](https://github.com/tiangolo/typer/pull/57).
* Add support for Mermaid JS for visualizations. PR [56](https://github.com/tiangolo/typer/pull/56).
* Update CI to run docs deployment in GitHub actions. PR [50](https://github.com/tiangolo/typer/pull/50).
* Update format for internal links. PR [38](https://github.com/tiangolo/typer/pull/38).
* Tweak external links' format. PR [36](https://github.com/tiangolo/typer/pull/36).

* Update docs and add latest changes to MkDocs/website. PR [33](https://github.com/tiangolo/typer/pull/33).
* Add extra tests for edge cases that don't belong in docs' examples. PR [32](https://github.com/tiangolo/typer/pull/32).
* Add docs for CLI Parameters with [Multiple Values](https://typer.tiangolo.com/tutorial/multiple-values/). Includes tests for all the examples and bug fixes. PR [#31](https://github.com/tiangolo/typer/pull/31).
* Add docs for extra *CLI parameter* types: [CLI Parameter Types: Number](https://typer.tiangolo.com/tutorial/parameter-types/number/) and [CLI Parameter Types: Boolean CLI Options](https://typer.tiangolo.com/tutorial/parameter-types/bool/). PR [#30](https://github.com/tiangolo/typer/pull/30).
* Extend docs for Commands, add [Commands: Typer Callback](https://typer.tiangolo.com/tutorial/commands/callback/) and [Commands: One or Multiple](https://typer.tiangolo.com/tutorial/commands/one-or-multiple/). This includes tests for all the examples and bug fixes. PR [#29](https://github.com/tiangolo/typer/pull/29).
* Add docs for [SubCommands - Command Groups](https://typer.tiangolo.com/tutorial/subcommands/). This includes tests for all the examples and bug fixes. PR [#28](https://github.com/tiangolo/typer/pull/28).
* Remove unneeded code for argument handling. PR [26](https://github.com/tiangolo/typer/pull/26).
* Add docs for [Launching Applications](https://typer.tiangolo.com/tutorial/launch/). PR [#25](https://github.com/tiangolo/typer/pull/25).
* Add docs for getting the [CLI Application Directory](https://typer.tiangolo.com/tutorial/app-dir/). PR [#24](https://github.com/tiangolo/typer/pull/24).
* Add docs for [Progress Bars](https://typer.tiangolo.com/tutorial/progressbar/). PR [#23](https://github.com/tiangolo/typer/pull/23).
* Add docs for [Asking with Interactive Prompts](). PR [22](https://github.com/tiangolo/typer/pull/22).
* Update docs for path *CLI option*. PR [21](https://github.com/tiangolo/typer/pull/21).
* Add colors module and docs for [Printing and Colors](https://typer.tiangolo.com/tutorial/printing/) and for [Terminating](https://typer.tiangolo.com/tutorial/terminating/), including tests. PR [#20](https://github.com/tiangolo/typer/pull/20).
* Refactor docs to make each individual page/section "bite-sized" / small. Add docs for [CLI option names](https://typer.tiangolo.com/tutorial/options/name/). Update `typer.Argument()` to remove invalid positional `param_decls`. PR [#19](https://github.com/tiangolo/typer/pull/19).