feat: add sncrypto client side packages

packages/sncrypto-web/test-server.js

@@ -0,0 +1,17 @@
+/* Used for running mocha tests */
+const connect = require('connect')
+const serveStatic = require('serve-static')
+const port = 9003
+connect()
+  .use(serveStatic(__dirname))
+  .listen(port, () => {
+    const url = `http://localhost:${port}/test/test.html`
+    console.log(`Open browser to ${url}`)
+    const start =
+      process.platform === 'darwin'
+        ? 'open'
+        : process.platform === 'win32'
+        ? 'start'
+        : 'xdg-open'
+    require('child_process').exec(start + ' ' + url)
+  })