ci (#8)

* ci: replace travis with github actions

* fix: add yarn to ci steps

* fix: update buld & deploy triggers

.github/workflows/build.yml

@@ -0,0 +1,17 @@
+name: Build
+
+on:
+  workflow_run:
+    workflows: [Lint]
+    types: [completed]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+      - run: yarn
+      - run: yarn build:esm && yarn build:cjs
+      - run: yarn semantic-release

.github/workflows/deploy.yml

@@ -0,0 +1,21 @@
+name: Deploy
+
+on:
+  workflow_run:
+    workflows: [Build]
+    types: [completed]
+    branches: ["main"]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+      - run: yarn
+      - run: yarn build:esm && yarn build:cjs
+      - run: yarn semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/lint.yml

@@ -0,0 +1,15 @@
+name: Lint
+
+on:
+  push:
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+      - run: yarn
+      - run: yarn run lint