ci: remove Drone CI

.drone.yml

@@ -1,27 +0,0 @@
----
-kind: pipeline
-type: exec
-name: Matrix Notifier check
-
-steps:
-- name: Pre-commit checks
-  commands:
-  - nix flake check
-
-- name: Notifiy
-  commands:
-  - nix run .
-  environment:
-    ADDRESS:
-      from_secret: matrix_homeserver
-    ROOM:
-      from_secret: matrix_roomid
-    USER:
-      from_secret: matrix_username
-    PASS:
-      from_secret: matrix_password
-  when:
-    status:
-      - failure
-      - success
-...

.woodpecker/check.yml

@@ -0,0 +1,23 @@
+pipeline:
+- name: pre-commit checks
+  image: bash
+  commands:
+  - nix flake check
+
+- name: notifiy
+  image: bash
+  secrets:
+  - source: matrix_password
+    target: pass
+  - source: matrix_homeserver
+    target: address
+  - source: matrix_roomid
+    target: room
+  - source: matrix_username
+    target: user
+  commands:
+  - nix run .
+  when:
+    status:
+    - failure
+    - success