Add drone pipeline to run all days

drone.yml

@@ -0,0 +1,9 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: run
+  image: python
+  commands:
+  - python3 run_all.py

run_all.py

@@ -0,0 +1,14 @@
+#!/usr/bin/python3
+
+from os import listdir
+from os.path import isdir, isfile
+from subprocess import run
+
+
+for dir in [x for x in listdir('.') if isdir(x)]:
+    file = dir + '/' + dir + '.py'
+    input = dir + '/input.txt'
+    if isfile(file) and isfile(input):
+        print(dir, 'result:')
+        run(["python3", file])
+