Rename plugins to libs and update all file references

libs/stripe-php/.gitignore

@@ -0,0 +1,32 @@
+# Ignore build files
+build/*
+
+# Mac OS X dumps these all over the place.
+.DS_Store
+
+# Ignore the SimpleTest library if it is installed to /test/.
+/test/simpletest/
+
+# Ignore the /vendor/ directory for people using composer
+/vendor/
+
+# If the vendor directory isn't being commited the composer.lock file should also be ignored
+composer.lock
+
+# Ignore IDE's configuration files
+.idea
+
+# Ignore PHP CS Fixer local config and cache
+.php_cs
+.php_cs.cache
+.php-cs-fixer.cache
+
+# Ignore PHPStan local config
+.phpstan.neon
+
+# Ignore phpDocumentor's local config and artifacts
+.phpdoc/*
+phpdoc.xml
+
+# Ignore cached PHPUnit results.
+.phpunit.result.cache