chore: update readme

Author: Stuyk

README.md

@@ -6,4 +6,34 @@ A decentralized megaphone for decentralized people.
 
 ```
 docker compose up
-```
+```
+
+## Project Structure Explanation
+
+### api-feed
+
+A REST Endpoint Provider for post feeds, and looking up individual posts.
+
+### api-likes
+
+A REST Endpoint Provider for looking up likes by post hash, or reply hash.
+
+### indexer-feed
+
+A mini-indexer that parses memos from a given starting block, and builds feed data into a separate MongoDB database.
+
+### indexer-likes
+
+A mini-indexer that parses memos from a given starting block, and builds vote data into a separate MongoDB database.
+
+### indexer-search
+
+TBD.
+
+### indexer-users
+
+A mini-indexer that parses memos from a given starting block, and builds follower data into a separate MongoDB database.
+
+### nginx
+
+Just an nginx configuration for gateway access to APIs