feat: workflows maybe

.github/workflows/CD.yaml

@@ -0,0 +1,28 @@
+name: CD
+
+on:
+  push:
+    tags: '*'
+
+jobs:
+    release:
+        name: Release
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
+            - name: Setup Node.js
+              uses: actions/setup-node@v4
+
+            - name: Install Dependencies
+              run: npm install
+
+            - name: Install VSCE
+              run: npm install -g @vscode/vsce
+
+            - name: Publish
+              env:
+                MARKETPLACE_ACCESS_TOKEN: ${{ secrets.MARKETPLACE_ACCESS_TOKEN }}
+              run: vsce publish --skip-license -p $MARKETPLACE_ACCESS_TOKEN

.github/workflows/CI.yaml

@@ -0,0 +1,38 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+    build:
+        name: Build
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
+            - name: Setup Node.js
+              uses: actions/setup-node@v4
+
+            - name: Install Dependencies
+              run: npm install
+
+            - name: Install VSCE
+              run: npm install -g @vscode/vsce
+
+            - name: Build
+              run: vsce package -o p2tas.vsix --skip-license
+
+            - name: Upload Artifact
+              uses: actions/upload-artifact@v4
+                with:
+                    name: p2tas
+                    path: p2tas.vsix
+                    if-no-files-found: error

README.md

@@ -1,5 +1,7 @@
 # Portal 2 TAS Tools
 
+[![CI](https://github.com/p2sr/p2tas-lang/workflows/CI/badge.svg)](https://github.com/p2sr/p2tas-lang/actions?query=workflow%3ACI+branch%3Amaster)
+
 Syntax highlighting, snippets and autocompletion for the Portal 2 TAS files, using the [SourceAutoRecord](https://github.com/p2sr/SourceAutoRecord) plugin.
 
 ## Installation