Trim down vsix package

.vscodeignore

@@ -4,5 +4,7 @@ node_modules
 *.vsix
 .gitignore
 tsconfig.json
-dist/jars
+dist
+!dist/extension.js
 .vscode-test
+tests

README.md

@@ -48,7 +48,7 @@ Run the `debug` launch from VS Code
 TIP: The cql-language-server that provides error highlighting is a Java project. It's also launched in debug mode when this VS Code extension is launched in debug mode, allowing you to attached a Java debugger as well. If you're simultaneously iterating on the cql-language-server, you can create a symlink to that Java artifact and changes will be picked up when VS Code restarts.
 
 On linux:
-`vscode-cql/dist/jars$ ln -s your-repo-home/cql-language-server/ls/service/target/cql-ls-service-1.5.8.jar cql-ls-service-1.5.8.jar`
+`vscode-cql/out/jars$ ln -s your-repo-home/cql-language-server/ls/service/target/cql-ls-service-1.5.8.jar cql-ls-service-1.5.8.jar`
 
 Set your repo home directory and update the versions as needed.
 

package.json

@@ -140,6 +140,7 @@
     "@vscode/test-electron": "^1.6.1",
     "esbuild": "^0.15.5",
     "eslint": "^8.28.0",
+    "eslint-plugin-header": "^3.1.1",
     "mocha": "^9.2.1",
     "prettier": "^2.8.0",
     "source-map-support": "^0.5.21",