docs(quickstart): clarify git-cliff command (#1051)

* Update initializing.md

* docs: add dash

* docs: add dash to all commands

* docs: Change example and add tip

* Revert "Merge branch 'patch-1' of https://github.com/okydk/git-cliff into patch-1"

This reverts commit a3402bd, reversing
changes made to 701f395.

* fix: typo

* Update website/docs/index.md

---------

Co-authored-by: Orhun Parmaksız <orhunparmaksiz@gmail.com>

Author: okydk

website/docs/index.md

@@ -21,19 +21,23 @@ Also, see the other [installation options](installation).
 2. Initialize **git-cliff**:
 
 ```bash
-git cliff --init
+git-cliff --init
 ```
 
 Edit the default [configuration](configuration) (`cliff.toml`) as you like. Check out the [examples](templating/examples) for different templates.
 
 3. Generate a changelog:
 
 ```bash
-git cliff -o CHANGELOG.md
+git-cliff -o CHANGELOG.md
 ```
 
 See the [command-line usage examples](usage/examples).
 
+:::note
+The `git cliff` command can also be used interchangeably with `git-cliff` (with a `-`) in most environments (when `git` is installed). However, when using the [NPM](/docs/installation/npm) installation method is used, the `git-cliff` command should be used.
+:::
+
 ## Contribute
 
 Contributions are highly appreciated! See the [contribution guidelines](https://github.com/orhun/git-cliff/blob/main/CONTRIBUTING.md) for getting started.