Update .gitattributes

Author: divineniiquaye

.gitattributes

@@ -1,2 +1,13 @@
-# Auto detect text files and perform LF normalization
-* text=auto
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all test and documentation with "export-ignore".
+/.editorconfig        export-ignore
+/.gitattributes       export-ignore
+/.github              export-ignore
+/.gitignore           export-ignore
+# /phpcs.xml.dist       export-ignore
+# /phpstan.neon.dist    export-ignore
+# /phpunit.xml.dist     export-ignore
+# /psalm.xml            export-ignore
+# /tests                export-ignore