Switch to Drone CI

Signed-off-by: Severin Kaderli <severin@kaderli.dev>

.drone.yml

@@ -0,0 +1,24 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: Lint
+  image: koalaman/shellcheck-alpine:latest
+  commands:
+  - alias shellcheck="shellcheck -x --exclude=SC2034,SC1091,SC1090,SC2012"
+  - shellcheck ./system/.local/bin/*
+  - shellcheck ./system/.config/custom/keyleds
+  - shellcheck ./system/.config/custom/aliases
+  - shellcheck ./system/.config/custom/env
+  - shellcheck ./system/.config/polybar/scripts/update-count
+  - shellcheck ./system/.config/X11/xinitrc
+  - shellcheck ./system/.config/zsh/.zlogout
+  - shellcheck ./system/.config/zsh/.zprofile
+  - shellcheck ./system/.config/zsh/.zshrc
+  - shellcheck ./system/.config/X11/xsetup
+  - shellcheck ./install
+  - shellcheck ./.install/*.sh
+  - shellcheck ./.install/lib/*.sh
+...

.gitlab-ci.yml

@@ -1,22 +0,0 @@
-stages:
-  - Lint
-
-Lint:
-  image: koalaman/shellcheck-alpine:latest
-  stage: Lint
-  before_script:
-    - alias shellcheck="shellcheck -x --exclude=SC2034,SC1091,SC1090,SC2012"
-  script:
-    - shellcheck ./system/.local/bin/*
-    - shellcheck ./system/.config/custom/keyleds
-    - shellcheck ./system/.config/custom/aliases
-    - shellcheck ./system/.config/custom/env
-    - shellcheck ./system/.config/polybar/scripts/update-count
-    - shellcheck ./system/.config/X11/xinitrc
-    - shellcheck ./system/.config/zsh/.zlogout
-    - shellcheck ./system/.config/zsh/.zprofile
-    - shellcheck ./system/.config/zsh/.zshrc
-    - shellcheck ./system/.config/X11/xsetup
-    - shellcheck ./install
-    - shellcheck ./.install/*.sh
-    - shellcheck ./.install/lib/*.sh