Initial setup (first pass) (#1)

* Updated Elixir version; made phx interactive

* Added JS formatting rules

* Added yt-dlp to dockerfile

* Added a basic PR template

* Added default responses for the PR template

.eslintrc.js

@@ -0,0 +1,16 @@
+module.exports = {
+  env: {
+    browser: true,
+    commonjs: true,
+    es6: true,
+    node: true
+  },
+  parserOptions: {
+    sourceType: 'module',
+    ecmaVersion: 2022
+  },
+  extends: ['prettier'],
+  rules: {
+    'prettier/prettier': 'error'
+  }
+}