Add description to readme

README.md

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 # MetaLedger
 
+MetaLedger makes it easy to setup [plain text accounting](https://plaintextaccounting.org) by configuring several useful utilities and grouping them into a single Docker Compose script.
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+- [hledger](https://hledger.org) for command line interaction and ledger file parsing
+- [ledgerbil](https://github.com/scarpent/ledgerbil) for interactive reconciliation
+- [Apache Superset](https://superset.apache.org) for awesome custom dashboarding
+  - Uses [a utility](https://github.com/tgrosinger/ledger-sqlite) to automatically periodically dump your ledger data into a SQLite database that Superset can query.
+
+Currently it can be run on linux/amd64 and linux/arm64 (except for superset due to [this issue](https://github.com/apache/superset/issues/19433)). Adding more platforms should be possible, they just need to be added to the underlying [hledger-multiarch project](https://github.com/tgrosinger/hledger-multiarch).
+
+hledger exposes a web interface (configure the port in the `.env` file). There are also utility script in the `bin` directory to make regular tasks quick and easy.
+
 ## Setting Up
 
 - Initialize the submodules

bin/ledger

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-#!/bin/bash
-
-echo TODO

bin/sort

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-#!/bin/bash
-
-echo TODO