tidy .gitignore

.gitignore

@@ -24,16 +24,13 @@ _actual*.*
 _output
 /types
 
-/site/cypress/screenshots/
 /site/.svelte-kit/
 /site/build/
 /site/.env
-/site/.sessions
 /site/static/svelte-app.json
 /site/static/contributors.jpg
 /site/static/donors.jpg
-/site/static/workers
+/site/static/workers/
-/site/scripts/svelte-app
+/site/scripts/svelte-app/
-/site/scripts/community
 /site/src/routes/_contributors.js
 /site/src/routes/_donors.js