Add .editorconfig, .gitattributes and .gitignore file

Author: filips123

.editorconfig

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+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{js,yml,yaml}]
+indent_style = space
+indent_size = 2
+
+[*.{bat,cmd,ps1}]
+end_of_line = crlf
+
+[*.md]
+trim_trailing_whitespace = false

.gitattributes

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+# Auto detect text files and perform LF normalization
+*   text eol=lf
+*   text=auto
+.*  text eol=lf
+.*  text=auto
+
+# Show language aware diffs
+*.css   diff=css
+*.htm   diff=html
+*.html  diff=html
+*.php   diff=php
+
+# Declare files that are binary
+*.pdf   binary
+*.bmp   binary
+*.gif   binary
+*.ico   binary
+*.jpg   binary
+*.jpeg  binary
+*.png   binary
+*.tif   binary
+*.tiff  binary
+*.wbmp  binary
+*.webp  binary
+*.mp3   binary
+*.ogg   binary
+*.mov   binary
+*.mp4   binary
+*.mpeg  binary
+*.webm  binary
+*.tar   binary
+*.zip   binary
+*.phar  binary
+
+# Declare files that must have CRLF line endings
+*.bat   text eol=crlf
+*.cmd   text eol=crlf
+*.ps1   text eol=crlf
+
+# Exclude unused files in archive
+.gitattributes      export-ignore
+.gitignore          export-ignore
+.editorconfig       export-ignore
+.scrutinizer.yml    export-ignore
+.travis.yml         export-ignore
+.github             export-ignore
+phpunit.xml.dist    export-ignore
+phpcs.xml.dist      export-ignore
+phpdoc.xml.dist     export-ignore
+box.json.dist       export-ignore
+tests               export-ignore

.gitignore

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+# IDE & System related files
+Thumbs.db
+Desktop.ini
+.buildpath
+.project
+.settings
+.DS_Store
+.idea
+.vscode
+
+# Builds
+/build/
+
+# Composer dependencies
+/vendor/
+
+# Composer lock file
+composer.lock
+
+# PHAR files
+*.phar
+
+# PHPUnit configuration
+phpunit.xml
+
+# PHP CodeSniffer configuration
+phpcs.xml
+
+# phpDocumentor configuration
+phpdoc.xml
+
+# Not ignore .gitkeep files
+!.gitkeep