feat(views): add view for unknown election

src/Routes.js

@@ -6,6 +6,7 @@ import CreateElection from "./components/views/CreateElection.js";
 import Vote from "./components/views/Vote";
 import Result from "./components/views/Result";
 import UnknownView from "./components/views/UnknownView";
+import UnknownElection from "./components/views/UnknownElection";
 
 function Routes() {
   return (<main className="d-flex flex-column justify-content-center" >
@@ -14,6 +15,7 @@ function Routes() {
                 <Route path="/create-election" component={CreateElection} />
                 <Route path="/vote" component={Vote} />
                 <Route path="/result" component={Result} />
+                <Route path="/unknown-election" component={UnknownElection} />
                 <Route component={UnknownView} />
               </Switch>
         </main>

src/components/views/UnknownElection.js

@@ -0,0 +1,34 @@
+import React, {Component} from "react";
+import {Col, Container,  Row} from "reactstrap";
+import logoLine from "../../logos/logo-line-white.svg";
+import {Link} from 'react-router-dom';
+
+
+class UnknownElection extends Component {
+
+    constructor(props) {
+        super(props);
+        this.state = {
+        }
+    }
+
+    render(){
+        return(
+            <Container>
+                    <Row>
+                        <Link  to="/" className="d-block ml-auto mr-auto mb-4"><img src={logoLine} alt="logo" height="128" /></Link>
+                    </Row>
+                    <Row className="mt-4">
+                        <Col className="text-center"><h2>Oups ! Ce vote n'existe pas ou n'est plus disponible.</h2>
+                        <p>N'hésitez pas à démarrer un nouveau vote</p></Col>
+                    </Row>
+                    <Row className="mt-4" >
+                        <Col className="text-center">
+                            <Link to="/" className="btn btn-secondary">Revenir à l'accueil</Link>
+                        </Col>
+                    </Row>
+            </Container>
+        )
+    }
+}
+export default UnknownElection;