migrated from tslint to eslint and upgraded to node 16

Author: mdnorman

.eslintrc.yml

@@ -0,0 +1,12 @@
+env:
+  browser: true
+  es2021: true
+parser: '@typescript-eslint/parser'
+parserOptions:
+  ecmaVersion: 12
+  sourceType: module
+plugins:
+  - '@typescript-eslint'
+  - prettier
+rules:
+  'prettier/prettier': error

.npmignore

@@ -2,10 +2,11 @@
 node_modules
 spec
 src
+.editorconfig
+.eslintrc.yml
 .gitignore
 .prettierrc
 npm-debug.log
 tsconfig.json
-tslint.json
 
 *.map

.nvmrc

@@ -1 +1 @@
-14.17.3
+16.5.0