Add CI

Author: orta

.github/workflows/CI.yml

@@ -0,0 +1,50 @@
+name: CI
+on: pull_request
+
+jobs:
+  local-validate:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+      - run: yarn 
+      - run: yarn pull-en
+      - run: yarn docs-sync validate
+
+
+  site-builds:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/setup-node@v1
+        with:
+          node-version: "13.x"
+
+      # Clone this PR, and setup the deps
+      - uses: actions/checkout@v1
+      - run: yarn
+
+      # Clone the TS website
+      - name: Checkout tools repo
+        uses: actions/checkout@v2
+        with:
+          repository: microsoft/TypeScript-Website
+          path: website
+
+      # Both the microsoft/TypeScript-Website & 1 - don't really need to be there, but 
+      # this migrates the translated docs into the website
+      - run: yarn docs-sync pull microsoft/TypeScript-Website 1 --from-cwd . --to-cwd TypeScript-Website
+
+      # Get dependencies for building the ebooks
+      - run: sudo apt-get update
+      - run: sudo apt install calibre
+
+      - run: cd website
+      - run: yarn install
+        env:
+          YARN_CHECKSUM_BEHAVIOR: ignore
+
+      # Verify the website build
+      - run: yarn bootstrap
+      - run: yarn workspace typescriptlang-org build

.github/workflows/codeowners-merge.yml

@@ -0,0 +1,16 @@
+name: Codeowners merging
+on:
+  pull_request_target: { types: opened }
+  issue_comment: { types: created }
+  pull_request_review: { types: submitted }
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Run Codeowners merge check
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        uses: OSS-Docs-Tools/code-owner-self-merge@master

.github/workflows/weekly.yml

@@ -0,0 +1,23 @@
+name: Weekly issue updates
+
+on:
+  schedule:
+    # https://crontab.guru/#0_12_*_*_1
+    - cron: "0 12 * * 1"
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+      - run: yarn install
+        env:
+          YARN_CHECKSUM_BEHAVIOR: ignore
+
+      # Update all the translation issues on a nightly basis
+      - run: yarn docs-sync update-issues
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_BOT_TOKEN }}