Merge pull request #220 from Nielsvanpach/cleanup

Add .gitattributes & .editorconfig

.editorconfig

@@ -0,0 +1,15 @@
+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 +1,14 @@
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all test and documentation with "export-ignore".
+/.github            export-ignore
+/.gitattributes     export-ignore
+/.gitignore         export-ignore
+/tests              export-ignore
+/.editorconfig      export-ignore
+/.php_cs.xml        export-ignore
+/codeception.yml    export-ignore
+/psalm.xml          export-ignore
+/psalm-baseline.xml export-ignore
+/UPGRADING.md       export-ignore