📝 docs(mkdocs): add some cool examples to docs/index.md

Author: bassemkaroui

template/docs/index.md.jinja

@@ -7,6 +7,100 @@
 
 {{ project_description }}
 
+# Installation
+
+Griffe is a Python package, so you can install it with your favorite Python package installer or dependency manager.
+
+TIP: **[Griffe Insiders](modules.md), a version with [*more features*](insiders/index.md#whats-in-it-for-me), is also available to sponsors :octicons-heart-fill-24:{ .heart .pulse }**
+
+
+TIP: [Griffe Insiders](modules.md), a version with [*more features*](insiders/index.md#whats-in-it-for-me), is also available to sponsors :octicons-heart-fill-24:{ .heart .pulse }
+
+> INFO: some info
+>
+> > WARNING: a warning
+
+> IMPORTANT:
+> **hi**
+
+> INFO:
+> **hi** there
+
+INFO:
+**hi** there
+
+INFO: **hi** there
+
+NOTE: some note
+
+CAUTION: some caution
+
+DANGER: a danger
+
+ERROR: an error
+
+SUCCESS: a success
+
+QUESTION: a question
+
+TODO: a todo
+
+## Install as a tool & library
+
+=== ":simple-python: pip"
+    ```bash
+    pip install griffe
+    ```
+
+    <div class="result" markdown>
+
+    [pip](https://pip.pypa.io/en/stable/) is the main package installer for Python.
+
+    </div>
+
+=== ":simple-pdm: pdm"
+    ```bash
+    pdm add griffe
+    ```
+
+    <div class="result" markdown>
+
+    [PDM](https://pdm-project.org/en/latest/) is an all-in-one solution for Python project management.
+
+    </div>
+
+=== ":simple-poetry: poetry"
+    ```bash
+    poetry add griffe
+    ```
+
+    <div class="result" markdown>
+
+    [Poetry](https://python-poetry.org/) is an all-in-one solution for Python project management.
+
+    </div>
+
+=== ":simple-rye: rye"
+    ```bash
+    rye add griffe
+    ```
+
+    <div class="result" markdown>
+
+    [Rye](https://rye.astral.sh/) is an all-in-one solution for Python project management, written in Rust.
+
+    </div>
+
+=== ":simple-astral: uv"
+    ```bash
+    uv add griffe
+    ```
+
+    <div class="result" markdown>
+
+    [uv](https://docs.astral.sh/uv/) is an extremely fast Python package and project manager, written in Rust.
+
+    </div>
 ## Code Annotation Examples
 
 ### Codeblocks