Add scheduler.

app/scheduler/__init__.py

@@ -0,0 +1,5 @@
+from flask import Blueprint
+
+scheduler = Blueprint('scheduler', __name__)
+
+from . import views

app/scheduler/views.py

@@ -0,0 +1,21 @@
+from flask import render_template
+from . import scheduler
+from flask_login import current_user, login_required
+from .. import background_scheduler
+import json
+
+
+@scheduler.route('/')
+@login_required
+def schedule():
+    job = {
+        'creator': current_user.id,
+        'files': ['file_1', 'file_2', 'file_3'],
+        'service': 'ocr',
+        'args': {
+            'lang': 'deu'
+        }
+    }
+    job = background_scheduler.add_job(print, trigger='date', args=[job])
+    print(job)
+    return 'job'