docs(project): update readme

.vscode/settings.json

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+{
+    "conventionalCommits.scopes": [
+        "project"
+    ]
+}

README.md

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 **greatape** is a free **social audio & video** social-media platform that can be used via an app.
 
 **greatape** is a Fediverse technology that supports Federation via ActivityPub.
+
+## Note
+
+⚠️ This project is under heavy development and should not be used in production yet.