add dart ignore

.gitignore

@@ -1 +1,28 @@
 /target
+# See https://www.dartlang.org/guides/libraries/private-files
+
+# Files and directories created by pub
+.dart_tool/
+.packages
+build/
+# If you're building an application, you may want to check-in your pubspec.lock
+pubspec.lock
+
+# Directory created by dartdoc
+# If you don't generate documentation locally you can remove this line.
+doc/api/
+
+# dotenv environment variables file
+.env*
+
+# Avoid committing generated Javascript files:
+*.dart.js
+*.info.json      # Produced by the --dump-info flag.
+*.js             # When generated by dart2js. Don't specify *.js if your
+                 # project includes source files written in JavaScript.
+*.js_
+*.js.deps
+*.js.map
+
+.flutter-plugins
+.flutter-plugins-dependencies

README.md

@@ -4,7 +4,7 @@ A Rust implementation of the Free Spaced Repetition Scheduler (FSRS) algorithm w
 
 ## Examples
 
-see [example](./lib/example.dart)
+see [example](./lib)
 
 ## Features
 
@@ -14,6 +14,14 @@ see [example](./lib/example.dart)
 - Review scheduling
 - Item state tracking
 
+---
+
+## Online development
+
+go to <https://idx.google.com/import>
+
+---
+
 ## Prerequisites
 
 - Rust (stable channel)