docs: 📝 fixed newline in schema and improved formatting

Signed-off-by: Okinea Dev <[email protected]>

CONTRIBUTING.md

@@ -52,7 +52,7 @@ It is always welcome to add new icons to the extension. However, there are a few
 
 ```mermaid
 flowchart LR
-    B{Shape already exists\nwith different colors?}
+    B{Shape already exists<br>with different colors?}
     B ---->|No| E
     B ---->|Yes| C
     C[<a href="#cloning-workflow">Cloning Workflow</a>]
@@ -100,7 +100,7 @@ These free tools are recommended to create or edit new SVG icons:
 - [Inkscape](https://inkscape.org/en/) is a free, open source SVG editor
 - There are tools available to convert PNG/JPG images to SVG - [Autotracer.org](https://autotracer.org) and [Vectorizer.io](https://vectorizer.io) are two examples.
 
-> **Note**
+> [!NOTE]
 > It's important to produce fully _vectorized_ graphic (don't include a base64 image string in the svg).
 
 When you create a folder icon, please keep in mind that two SVG files are needed here: one that represents the folder closed and another that represents it open.
@@ -131,7 +131,7 @@ bun run check-colors
 
 Installation of the dependencies is necessary before running the command, see [Debug extension locally](#debug-extension-locally).
 
-> **Note**
+> [!NOTE]
 > The colors black (`#000000`) and white (`#ffffff`) are not allowed in the icons. These colors have too much contrast and do not fit into the overall picture of the icons.
 
 Continue reading [here](#design-folder-icons) to find out about colors for the folder icons.
@@ -225,7 +225,7 @@ Here's an example of how a folder icon can be assigned to folder icons:
 
 This will apply a folder icon for the folders 'sample' and 'samples'.
 
-> **Note**
+> [!NOTE]
 > The tool automatically creates generic "wildcard" variants of these folders, so only assign the base names. The current wildcards are the following: `.sample`, `_sample`, `__sample__`.
 
 ### Language icons
@@ -472,5 +472,5 @@ The available log levels are:
 
 Per default the logging is disabled as it can slow down the extension. If logging is enabled, the logs can be found in the output panel of VS Code under "Material Icon Theme".
 
-> **Note**
+> [!NOTE]
 > Please restart the extension after changing the logging settings to apply the changes.