Break off the sub-projects into separate repositories

Author: cachapa

.github/workflows/quality_gate.yml

@@ -4,22 +4,18 @@ on: push
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     container:
-      image:  google/dart:latest
+      image: google/dart:latest
 
     steps:
       - uses: actions/checkout@v1
       - name: Verify code formatting
         run: dartfmt --dry-run --set-exit-if-changed .
       - name: Get dependencies
         run: pub get
-        working-directory: crdt
       - name: Static code analysis
         run: dartanalyzer --fatal-infos --fatal-warnings .
-        working-directory: crdt
       - name: Run tests
         run: pub run test
-        working-directory: crdt

crdt/.gitignore renamed to .gitignore

@@ -1,6 +1,45 @@
 Dart implementation of Conflict-free Replicated Data Types (CRDTs).
 
-This is a multi project repository containing:
+This project is heavily influenced by James Long's talk [CRTDs for Mortals](https://www.dotconferences.com/2019/12/james-long-crdts-for-mortals) and includes a Dart-native implementation of Hybrid Local Clocks (HLC) based the paper [Logical Physical Clocks and Consistent Snapshots in Globally Distributed Databases](https://cse.buffalo.edu/tech-reports/2014-04.pdf).
 
-* [crdt](crdt): The CRDT package implementation.
-* [hive_crdt](hive_crdt): A CRDT implementation backed by a [Hive](https://pub.dev/packages/hive) store.
+It has [zero external dependencies](https://github.com/cachapa/crdt/blob/master/pubspec.yaml), so it should run everywhere where Dart runs.
+
+## Usage
+
+The `Crdt` class works as a layer on top of a map. The simplest way to experiment is to initialise it an empty map:
+
+```dart
+import 'package:crdt/crdt.dart';
+
+main() {
+  // Insert a record
+  crdt.put('a', 1);
+  // Read the record
+  print('Record: ${crdt.get('a')}');
+
+  // Export the CRDT as Json
+  final json = crdt.toJson();
+  // Send to remote node
+  final remoteJson = sendToRemote(json);
+  // Merge remote CRDT with local
+  crdt.mergeJson(remoteJson);
+  // Verify updated record
+  print('Record after merging: ${crdt.get('a')}');
+}
+
+// Mock sending the CRDT to a remote node and getting an updated one back
+String sendToRemote(String json) {
+  final hlc = Hlc.now('another_nodeId');
+  return '{"a":{"hlc":"$hlc","value":2}}';
+}
+```
+
+You'll probably want to implement some sort of persistent storage by subclassing the `Crdt` class. An example using [Hive](https://pub.dev/packages/hive) is provided in the parent project.
+
+## Example
+
+An example of how it can be used in an application can be found at https://github.com/cachapa/crdt_server.
+
+## Features and bugs
+
+Please file feature requests and bugs at the [issue tracker](https://github.com/cachapa/crdt/issues).