chore: add .editorconfig and .gitattributes [skip ci]

Author: JaZo

.editorconfig

@@ -0,0 +1,18 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+indent_size = 4
+indent_style = space
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{yml,yaml}]
+indent_size = 2

.gitattributes

@@ -0,0 +1,18 @@
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all test and documentation with "export-ignore".
+/.ddev                       export-ignore
+/.editorconfig               export-ignore
+/.gitattributes              export-ignore
+/.github                     export-ignore
+/.gitignore                  export-ignore
+/.scrutinizer.yml            export-ignore
+/PULL_REQUEST_TEMPLATE.md    export-ignore
+/ISSUE_TEMPLATE.md           export-ignore
+/phpstan.types.neon.dist     export-ignore
+/phpunit.xml                 export-ignore
+/phpunit.xml.dist            export-ignore
+/tests                       export-ignore
+/types                       export-ignore
+/docs                        export-ignore