chore: add .npmignore (#3)

* chore: add .npmignore
* chore: update .npmignore

Co-Authored-By: Raphael von der Grün <raphinesse@gmail.com>
diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..8d98f9d
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1 @@
+.*