Update readme

Author: nilshoerrmann

.editorconfig

@@ -1,20 +1,14 @@
-# This file is for unifying the coding style for different editors and IDEs
-# editorconfig.org
-
 [*]
-charset = utf-8
-indent_style = space
-indent_size = 2
 end_of_line = lf
-insert_final_newline = true
+charset = utf-8
 trim_trailing_whitespace = true
-
-[*.php]
+insert_final_newline = true
+indent_style = space
 indent_size = 4
+max_line_length = 80
 
-[*.md,*.txt]
-trim_trailing_whitespace = false
-insert_final_newline = false
+[*.yml]
+indent_size = 2
 
-[composer.json]
-indent_size = 4
+[*.md]
+trim_trailing_whitespace = false

.github/title.png

@@ -0,0 +1,12 @@
+{
+    "printWidth": 80,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "none",
+    "bracketSpacing": true,
+    "bracketSameLine": false,
+    "phpVersion": "7.4",
+    "trailingCommaPHP": false,
+    "htmlWhitespaceSensitivity": "css",
+    "proseWrap": "never"
+}

.prettierrc

@@ -1,6 +1,6 @@
-# Kirby Conditional Snippets
+![Kirby snippetWhen Helper](.github/title.png)
 
-Helper function for Kirby to embed snippets only when a condition is met.
+**snippetWhen** is a helper function for [Kirby 3](https://getkirby.com) to conditionally embed snippets.
 
 ## Installation
 
@@ -20,23 +20,22 @@ git submodule add https://github.com/hananils/kirby-snippetwhen-helper.git site/
 composer require hananils/kirby-snippetwhen-helper
 ```
 
-## Usage
+# Usage
 
-### snippetWhen($snippet, $condition, $expected, $data)
+## snippetWhen($snippet, $condition, $expected, $data)
 
-- `$snippet`: the name of the snippet
-- `$condition`: a condition that either evaluates to `true` or `false`
-- `$expected`: the expected result of the condition, defaults to `true`
-- `$data`: data object passed to the snippet
+Conditionally embeds a snippet:
+
+-   **`$snippet`:** the name of the snippet
+-   **`$condition`:** a condition that either evaluates to `true` or `false`
+-   **`$expected`:** the expected result of the condition, defaults to `true`
+-   **`$data`:** data object passed to the snippet
 
 ```php
-snippetWhen('article', $page->category()->isNotEmpty())
+snippetWhen('article', $page->category()->isNotEmpty());
 ```
 
-## License
-
-MIT
-
-## Credits
+# License
 
-- hana+nils · Büro für Gestaltung
+This plugin is provided freely under the [MIT license](LICENSE.md) by [hana+nils · Büro für Gestaltung](https://hananils.de).  
+We create visual designs for digital and analog media.