Add routing and pages for managing templates

So that users can see what it the flow is like to:
- add new templates
- edit existing templates

app/main/__init__.py

@@ -4,5 +4,5 @@ main = Blueprint('main', __name__)
 
 
 from app.main.views import (
-    index, sign_in, register, two_factor, verify, sms, add_service, code_not_received, jobs, dashboard
+    index, sign_in, register, two_factor, verify, sms, add_service, code_not_received, jobs, dashboard, templates
 )

app/main/views/index.py

@@ -9,12 +9,6 @@ def index():
     return render_template('views/signedout.html')
 
 
-@main.route("/dashboard")
-@login_required
-def dashboard():
-    return render_template('views/dashboard.html')
-
-
 @main.route("/govuk")
 def govuk():
     return render_template('views/govuk_template.html')
@@ -70,11 +64,6 @@ def apikeys():
     return render_template('views/api-keys.html')
 
 
-@main.route("/manage-templates")
-def managetemplates():
-    return render_template('views/manage-templates.html')
-
-
-@main.route("/edit-template")
-def edittemplate():
-    return render_template('views/edit-template.html')
+@main.route("/verification-not-received")
+def verificationnotreceived():
+    return render_template('views/verification-not-received.html')

app/main/views/templates.py

@@ -0,0 +1,32 @@
+from flask import request, render_template, redirect, url_for
+
+from app.main import main
+
+
+@main.route("/templates")
+def manage_templates():
+    return render_template('views/manage-templates.html')
+
+
+@main.route("/templates/template", methods=['GET', 'POST'])
+def add_template():
+    if request.method == 'GET':
+        return render_template(
+            'views/edit-template.html',
+            template_name='Reminder',
+            template_body='Vehicle tax: Your vehicle tax for ((registration number)) expires on ((date)). Tax your vehicle at www.gov.uk/vehicle-tax',  # noqa
+            h1='Edit template'
+        )
+    elif request.method == 'POST':
+        return redirect(url_for('.manage_templates'))
+
+
+@main.route("/templates/template/add", methods=['GET', 'POST'])
+def edit_template():
+    if request.method == 'GET':
+        return render_template(
+            'views/edit-template.html',
+            h1='Add template'
+        )
+    elif request.method == 'POST':
+        return redirect(url_for('.manage_templates'))