📖 Add readme and CI

Author: rowanc1

.github/workflows/jtex.yml

@@ -0,0 +1,17 @@
+name: jtex
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  test:
+    name: test template.yml
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+      - run: npm install -g jtex
+      - run: jtex check

README.md

@@ -0,0 +1,8 @@
+# Plain Latex Book
+
+A minimal book template that uses vanilla LaTeX commands and environments
+
+![](thumbnail.png)
+
+- Author: Rowan Cockett
+- License: CC-BY-4.0