Add issue_tracker, topics and screenshot; change sdk to only require …

…3.0.0

pubspec.yaml

@@ -2,9 +2,20 @@ name: dart_seq
 description: A Dart logging client for (batched) Seq HTTP ingestion with automated retries.
 version: 0.1.2
 homepage: https://github.com/ricardoboss/dart_seq
+issue_tracker: https://github.com/ricardoboss/dart_seq/issues
+
+topics:
+  - logging
+  - logger
+  - seq
+  - http
+  - cache
+
+screenshots:
+  - ./doc/example_output.png
 
 environment:
-  sdk: '>=3.0.5 <4.0.0'
+  sdk: '^3.0.0'
 
 dependencies:
   http: '>=0.13.3 <2.0.0'