ci: replace drone with gitea workflows (#1)

Reviewed-on: #1
Co-authored-by: Timo Behrendt <t.behrendt@t00n.de>
Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>

.drone.yml

@@ -1,57 +0,0 @@
----
-kind: pipeline
-type: docker
-name: default
-
-steps:
-  - name: prep
-    image: node:18.12.1
-    volumes:
-      - name: modules
-        path: /drone/rsc/node_modules
-    commands:
-      - npm install
-
-  - name: spellcheck
-    image: node:18.12.1
-    depends_on:
-      - prep
-    volumes:
-      - name: modules
-        path: /drone/rsc/node_modules
-    commands:
-      - npm run check:spell
-  - name: lint
-    image: node:18.12.1
-    depends_on:
-      - prep
-    volumes:
-      - name: modules
-        path: /drone/rsc/node_modules
-    commands:
-      - npm run check:code
-
-  - name: build-push
-    image: plugins/docker
-    depends_on:
-      - spellcheck
-      - lint
-    when:
-      branch:
-        - main
-      event:
-        - push
-    settings:
-      registry: git.t000-n.de
-      username:
-        from_secret: docker-registry-login
-      password:
-        from_secret: docker-registry-token
-      repo: git.t000-n.de/${DRONE_REPO}
-      tags:
-        - ${DRONE_COMMIT_SHA:0:8}
-        - latest
-
-volumes:
-  - name: modules
-    temp: {}