docs: prevent plugin icons shrinking (#789)

Closes #751 

### Change Description

**Table Header Update**: Introduce content for a table header row,
which now enforces a minimum width for the columns, preventing icons
from shrinking on smaller screens.

---------

Co-authored-by: Matěj Chalk <[email protected]>

Author: hanna-skryl

README.md

@@ -45,12 +45,12 @@ _We want to change that!_
 
 ### 🔌 Officially supported plugins
 
-|                                                                |                                                     |                                                                                    |
-| -------------------------------------------------------------- | --------------------------------------------------- | ---------------------------------------------------------------------------------- |
-| <img width="50" src="docs/images/plugin-eslint.icon.png">      | [ESLint](./packages/plugin-eslint#readme)           | Static analysis using **ESLint** rules.                                            |
-| <img width="50" src="docs/images/plugin-coverage.icon.png">    | [Code Coverage](./packages/plugin-coverage#readme)  | Collects code **coverage** from your tests.                                        |
-| <img width="50" src="docs/images/plugin-js-packages.icon.png"> | [JS Packages](./packages/plugin-js-packages#readme) | Checks 3rd party packages for known **vulnerabilities** and **outdated** versions. |
-| <img width="50" src="docs/images/plugin-lighthouse.icon.png">  | [Lighthouse](./packages/plugin-lighthouse#readme)   | Measures web performance and best practices with **Lighthouse**.                   |
+|                              Icon                              | Name                                                | Description                                                                        |
+| :------------------------------------------------------------: | :-------------------------------------------------- | :--------------------------------------------------------------------------------- |
+|   <img width="24" src="docs/images/plugin-eslint.icon.png">    | [ESLint](./packages/plugin-eslint#readme)           | Static analysis using **ESLint** rules.                                            |
+|  <img width="24" src="docs/images/plugin-coverage.icon.png">   | [Code Coverage](./packages/plugin-coverage#readme)  | Collects code **coverage** from your tests.                                        |
+| <img width="24" src="docs/images/plugin-js-packages.icon.png"> | [JS Packages](./packages/plugin-js-packages#readme) | Checks 3rd party packages for known **vulnerabilities** and **outdated** versions. |
+| <img width="24" src="docs/images/plugin-lighthouse.icon.png">  | [Lighthouse](./packages/plugin-lighthouse#readme)   | Measures web performance and best practices with **Lighthouse**.                   |
 
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