Add missing graph template

templates/graph.html

@@ -0,0 +1,65 @@
+{{ define "content" }}
+    <h1 class="title is-1">{{ .Title }}</h1>
+    <div id="mynetwork" style="height:800px"></div>
+
+    <script src="https://unpkg.com/vis-network" type="application/javascript"></script>
+    <script src="https://unpkg.com/vis-data" type="application/javascript"></script>
+    <script type="text/javascript">
+        // create an array with nodes
+        var nodes = new vis.DataSet({{ .Nodes }});
+
+        // create an array with edges
+        var edges = new vis.DataSet({{ .Edges }});
+
+        // create a network
+        var container = document.getElementById('mynetwork');
+
+        // provide the data in the vis format
+        var data = {
+            nodes: nodes,
+            edges: edges
+        };
+        var options = {
+            edges: {
+                arrows: 'to',
+            },
+
+            nodes: {
+                shape: 'box'
+            }
+        };
+
+        // initialize your network!
+        var network = new vis.Network(container, data, options);
+        network.on('doubleClick', function (props) {
+            console.log(props)
+            // window.location.href = '/edit/'+props.items[0]
+        })
+    </script>
+
+{{ end }}
+
+{{ define "navbar" }}
+    {{ if $.Session.LoggedIn }}
+        <a href="/edit/{{ .Name }}" class="navbar-item">Edit</a>
+        <a href="/history/{{ .Name }}" class="navbar-item">History</a>
+        <a href="/recent/" class="navbar-item">Recent Changes</a>
+        <a href="/graph/" class="navbar-item">Graph</a>
+        <a href="/auth/logout" class="navbar-item">Logout</a>
+        <span class="navbar-item"><b>{{ $.Session.Me }}</b></span>
+    {{ else }}
+        <a href="/auth/login" class="navbar-item">Login</a>
+    {{ end }}
+{{ end }}
+
+{{ define "content_head" }}
+    <style>
+        .edit {
+            color: red;
+        }
+
+        .tag {
+            color: #444;
+        }
+    </style>
+{{ end }}