Add requirements file for invoke & update invoke tasks

requirements.txt

@@ -0,0 +1 @@
+invoke

tasks.py

@@ -22,10 +22,23 @@ BASE_DIR = Path(__file__).parent.resolve(strict=True)
 
 
 @task
-def tag(context, tag):
+def test(context):
+    """Run tests"""
+    context.run("go test ./...")
+
+
+@task(pre=[test])
+def release(context, version_name):
+    """Create & push git tag + build binaries"""
+    tag(context, version_name)
+    build(context, version_name)
+
+
+@task(pre=[test])
+def tag(context, version_name):
     """Create & push a git tag"""
     context: Context
-    context.run(f"git tag -a {tag} -m '{tag}'")
+    context.run(f"git tag -a {version_name} -m '{version_name}'")
     context.run("git push --follow-tags")