add unattend button

.gitignore

@@ -158,3 +158,4 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+users.db

.vscode/launch.json

@@ -0,0 +1,17 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python: Current File",
+            "type": "python",
+            "request": "launch",
+            "program": "${file}",
+            "console": "integratedTerminal",
+            "justMyCode": true,
+            "args": ["--show_events"]
+        }
+    ]
+}

templates/index.html

@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 
 {% block content %}
-    <h1>{% block title %} Hallo, {{user["username"]}} {% endblock %}</h1>
+    <h1>{% block title %} Hallo, {{user["username"]}} ({{user["email"]}}) {% endblock %}</h1>
     {% set ns = namespace(last_date='...') %}      
 
     {% for event in events %}
@@ -12,6 +12,14 @@
                 <h1>{{event["weekday"] + " " + event["start"]["date"] }}</h1>
             {% endif %}
             <h2>{{ event['subject'] }}</h2>
+
+            <a href="{{ url_for('attend', id=event['id']) }}">
+                <span class="badge badge-warning">Teilnehmen</span>
+            </a>
+            <a href="{{ url_for('unattend', id=event['id']) }}">
+                <span class="badge badge-warning">Abmelden</span>
+            </a>
+
             <span class="badge badge-primary">{{ event["start"]["time"] }}</span>
             <span class="badge badge-primary">{{ event["duration"] }}</span>
             {% for attendee in event["attendees"] %}