SDK-524 Add example for JS user library

js-user-library/examples/hello/.gitignore

@@ -0,0 +1,13 @@
+# Various IDEs and Editors
+.vscode/
+.idea/
+**/*~
+
+# Mac OSX temporary files
+.DS_Store
+**/.DS_Store
+
+# Build artifacts
+build/
+canisters/
+public/main.js

js-user-library/examples/hello/README.adoc

@@ -0,0 +1,7 @@
+= hello
+
+[source,sh]
+$ cd js-user-library/examples/hello
+$ nix-shell
+
+This example does the minimum possible in terms of bundling to get things up and running. It does not intend to prescribe a recommended way of setting up a project in general.

js-user-library/examples/hello/dfx.json

@@ -0,0 +1,20 @@
+{
+  "version": 1,
+  "dfx": "0.4.0",
+  "canisters": {
+    "hello": {
+      "main": "src/hello/main.mo",
+      "deployment_id": 1
+    }
+  },
+  "defaults": {
+    "build": {
+      "output": "canisters/"
+    },
+    "start": {
+      "port": 8000,
+      "address": "localhost",
+      "serve_root": "public/"
+    }
+  }
+}