Modernize: bump dependency versions; webpack 5 without gulp; babel; switch from qrcode-reader to jsQR

Author: jacobg

.browserslistrc

@@ -0,0 +1,4 @@
+iOS >= 11
+# Supporting Android version 5.1+ with its factory Chrome version.
+ChromeAndroid >= 39
+Chrome >= 39

.editorconfig

@@ -0,0 +1,14 @@
+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false

.gitignore

@@ -21,4 +21,5 @@ node_modules/
 # generated files
 dist/
 src/browser/plugin.min.js
+src/browser/worker.min.js
 www/www.min.js

.nvmrc

@@ -0,0 +1 @@
+v14.18.1

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
 sudo: false
 node_js:
-  - "4"
-  - "6"
+  - "14"
+  - "16"