Check out nosbin - nosbin allows you to quickly upload code snippets to nostr! Simply cut, paste, and post. Provides code highlighting for any language.

https://nostrapp.link/a/naddr1qqxnzd3exycrswfjxycnxvfkqgsvt7mwejrkupzcu0k2nyvwxuxte5mkjqw9s3s9ztl9x7jxukxr3wcrqsqqql8kz23mgn