add CI config

.drone.yml

@@ -0,0 +1,39 @@
+kind: pipeline
+type: docker
+name: main
+
+trigger:
+  branch:
+    - master
+  event:
+    - push
+    - tag
+
+steps:
+  - name: build-windows
+    image: nimlang/nim
+    commands:
+      - apt update
+      - apt install -y mingw-w64
+      - nimble build -y -d:mingw
+
+  - name: build-linux
+    image: nimlang/nim
+    commands:
+      - nimble build -y
+      - mv passphrase passphrase_linux
+
+  - name: release
+    image: plugins/gitea-release
+    when:
+      event: tag
+    depends_on:
+      - build-windows
+      - build-linux
+    settings:
+      base_url: 'https://git.jfmonty2.com/jfmonty2/passphrase.git'
+      files:
+        - passphrase_linux
+        - passphrase.exe
+      api_key:
+        from_secret: gitea_token