Make data consistent from dashboard -> job

- adds a table of recent activity to the job page, which is shared by the
  dashboard page
- uses the same filename and message template as the first job shown on the
  dashboard
- sets the time of file uploads/message delivery/message sending to always
  match ‘just now’

app/main/views/dashboard.py

@@ -0,0 +1,12 @@
+from flask import render_template
+
+from app.main import main
+
+from ._jobs import jobs
+
+
+@main.route("/dashboard")
+def dashboard():
+    return render_template(
+        'views/dashboard.html', jobs=jobs
+    )