diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e43b0f9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
diff --git a/README.md b/README.md
index d8e4aa5..1419cec 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,12 @@ This is a browser extensions that recommends better alternatives to products and
 
 This is a work-in-progress and not yet published. This should work for both Chromium-based (Chrome, Brave, Chromium etc) AND Firefox-based browsers.
 
+# Build
+
+You can load this extension directly in Chrome or Firefox Developer Edition (after setting `xpinstall.signatures.required` to `false` in `about:config`).
+
+To submit to the stores, build a zip with: `zip -r -X archive.zip .`
+
 # Contribute
 
 Check one of the unassigned issues and start a discussion or send a pull request.