add restentpoint for login/logout, restructuring of modules and components, add flow usage

scm-ui/src/containers/Login.js

@@ -0,0 +1,36 @@
+//@flow
+import React from 'react';
+import injectSheet from 'react-jss';
+
+const styles = {
+  wrapper: {
+    width: '100%',
+    display: 'flex',
+    height: '10em'
+  },
+  login: {
+    margin: 'auto',
+    textAlign: 'center'
+  }
+};
+
+type Props = {
+  classes: any;
+}
+
+class Login extends React.Component<Props> {
+
+  render() {
+    const { classes } = this.props;
+    return (
+      <div className={classes.wrapper}>
+        <div className={classes.login}>
+          You need to log in! ...
+        </div>
+      </div>
+    );
+  }
+
+}
+
+export default injectSheet(styles)(Login);