Adding coral-plugin-auth

plugins/coral-plugin-auth/client/components/SignInButton.js

@@ -0,0 +1,22 @@
+import React from 'react';
+import {Button} from 'coral-ui';
+import {connect} from 'react-redux';
+import {bindActionCreators} from 'redux';
+import {showSignInDialog} from 'coral-framework/actions/auth';
+
+class SignInButton extends React.Component {
+  render() {
+    return (
+      <Button id="coralSignInButton" onClick={this.props.showSignInDialog} full>
+        Sign in to comment
+      </Button>
+    );
+  }
+}
+
+const mapStateToProps = ({auth}) => ({auth});
+
+const mapDispatchToProps = dispatch =>
+  bindActionCreators({showSignInDialog}, dispatch);
+
+export default connect(mapStateToProps, mapDispatchToProps)(SignInButton);