Setup CI deployment

.drone.yml

@@ -0,0 +1,13 @@
+---
+pipeline:
+  deploy:
+    image: cschlosser/drone-ftps
+    hostname: seznamovak.pedf.cuni.cz:21
+    secrets: [ftp_username, ftp_password]
+    secure: true
+    verify: false # Certificate is self-signed
+    dest_dir: /www
+    exclude:
+      - ^\.git/$
+      - ^\.gitignore$
+      - ^\.drone.yml$