Add Docker setup and OpenVSX publishing

Author: patbenatar

Dockerfile

@@ -0,0 +1,7 @@
+FROM node:15.11.0
+RUN apt-get update -qq
+
+WORKDIR /src
+
+COPY . .
+RUN npm install

README.md

@@ -67,3 +67,13 @@ then providing new filename/path relative to the selection.
 1. Run the tests (via Debug > Launch Tests)
 1. Run the linter: `npm run lint`
 1. Open a PR
+
+## Publishing
+
+### OpenVSX
+
+Change the publisher in package.json to giantcola, then run:
+
+```
+docker-compose run plugin ./node_modules/.bin/ovsx publish -p [token]
+```

docker-compose.yml

@@ -0,0 +1,9 @@
+version: '3'
+
+services:
+  plugin:
+    build: .
+    volumes:
+      - .:/src
+      - /src/node_modules
+    working_dir: /src

package.json

@@ -93,7 +93,8 @@
     "tslint": "^4.4.2",
     "typescript": "^3.9.5",
     "vsce": "^1.18.0",
-    "vscode": "^1.1.18"
+    "vscode": "^1.1.18",
+    "ovsx": "0.1.0-next.a9154dc"
   },
   "dependencies": {
     "gitignore-to-glob": "github:patbenatar/gitignore-to-glob",