docs: Move the "Getting started" tutorial to top-level of docs (#892)

CHANGELOG.md

@@ -18,7 +18,7 @@
     - The JS/CSS defined in `Component.js/css` or `Component.js/css_file` is the "main" JS/CSS
     - The JS/CSS defined in `Component.Media.js/css` are secondary or additional
 
-    See the updated ["Getting Started" tutorial](https://EmilStenstrom.github.io/django-components/0.124/concepts/getting_started/adding_js_and_css/)
+    See the updated ["Getting Started" tutorial](https://EmilStenstrom.github.io/django-components/0.124/getting_started/adding_js_and_css/)
 
 #### Refactor
 

docs/SUMMARY.md

@@ -1,7 +1,7 @@
 <!-- See Pydantic for inspo https://docs.pydantic.dev/latest  -->
-- [Get Started](overview/)
+- [Overview](overview/)
+- [Getting Started](getting_started/)
 - Concepts
-  - [Getting started](concepts/getting_started/)
   - [Fundamentals](concepts/fundamentals/)
   - [Advanced](concepts/advanced/)
 - Guides

docs/concepts/fundamentals/defining_js_css_html_files.md

@@ -3,7 +3,7 @@ title: Defining HTML / JS / CSS files
 weight: 8
 ---
 
-As you could have seen in [the tutorial](../../concepts/getting_started/adding_js_and_css.md), there's multiple ways how you can associate
+As you could have seen in [the tutorial](../../getting_started/adding_js_and_css.md), there's multiple ways how you can associate
 HTML / JS / CSS with a component:
 
 - You can set [`Component.template`](../../reference/api.md#django_components.Component.template),
@@ -49,7 +49,7 @@ HTML / JS / CSS with a component:
 
 ## Defining file paths relative to component
 
-As seen in the [getting started example](../getting_started/your_first_component.md), to associate HTML / JS / CSS
+As seen in the [getting started example](../../getting_started/your_first_component.md), to associate HTML / JS / CSS
 files with a component, you can set them as
 [`Component.template_file`](../../reference/api.md#django_components.Component.template_file),
 [`Component.js_file`](../../reference/api.md#django_components.Component.js_file)

docs/concepts/fundamentals/single_file_components.md

@@ -6,7 +6,7 @@ weight: 1
 Components can be defined in a single file, which is useful for small components. To do this, you can use the `template`, `js`, and `css` class attributes instead of the `template_file`, `js_file`,  and `css_file`.
 
 For example, here's the calendar component from
-the [Getting started](../getting_started/your_first_component.md) tutorial,
+the [Getting started](../../getting_started/your_first_component.md) tutorial,
 defined in a single file:
 
 ```python title="[project root]/components/calendar.py"