Add .drone.yml (#12)

Not actually too sure what I'm doing and if this will work. Let me know.

Co-authored-by: Jared He <66887902+jaredjhe@users.noreply.github.com>
Reviewed-on: #12
Reviewed-by: Aditya Thakral <a3thakra@csclub.uwaterloo.ca>
Reviewed-by: Amy <a258wang@csclub.uwaterloo.ca>
Reviewed-by: n3parikh <n3parikh@csclub.uwaterloo.ca>
Co-authored-by: j285he <j285he@localhost>
Co-committed-by: j285he <j285he@localhost>

.drone.yml

@@ -0,0 +1,24 @@
+---
+kind: pipeline
+type: docker
+name: node16
+
+steps:
+- name: install-deps
+  image: node:16
+  commands:
+  - npm install
+
+- name: lint
+  image: node:16
+  depends_on:
+  - install-deps
+  commands:
+  - npm run lint
+
+- name: build
+  image: node:16
+  depends_on:
+  - install-deps
+  commands:
+  - npm run build