Moving to node_modules folder to make easier to upgrade

trying to move from Bootstrap 3 to Bootstrap 5

node_modules/fizzy-ui-utils/README.md

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+# Fizzy UI utils
+
+UI utility & helper functions
+
+Used in [Flickity](https://flickity.metafizzy.co), [Isotope](https://isotope.metafizzy.co), [Masonry](https://masonry.desandro.com), [Draggabilly](https://draggabilly.desandro.com)
+
+## Install
+
+npm: `npm install fizzy-ui-utils`
+
+Yarn: `yarn add fizzy-ui-utils`
+
+## API
+
+``` js
+// browser global
+const utils = window.fizzyUIUtils;
+
+// CommonJS
+const utils = require('fizzy-ui-utils');
+
+// JavaScript module
+import utils from 'fizzy-ui-utils';
+
+// ---- ---- //
+
+utils.makeArray( obj )
+// make array from object
+// makeArray('single object') => [ 'single object' ]
+
+utils.modulo( num, div )
+// num [modulo] div
+
+utils.removeFrom( ary, obj )
+// remove object from array
+
+utils.getQueryElement( elem )
+// if elem is a string, use it as a selector and return element
+
+MyClass.prototype.handleEvent = utils.handleEvent;
+// enable MyClass.onclick when element.addEventListener( 'click', this, false )
+
+utils.filterFindElements( elems, selector )
+// iterate through elems, filter and find all elements that match selector
+
+utils.debounceMethod( MyClass, methodName, threhold )
+// debounce a class method
+
+utils.docReady( callback )
+// trigger callback on document ready
+
+utils.toDashed( str )
+// 'camelCaseString' -> 'camel-case-string'
+
+utils.htmlInit( MyClass, namespace )
+// on document ready, initialize MyClass on every element
+// that matches [data-my-class] attribute
+// pass in JSON options from attribute value
+```
+
+**Legacy API** The following methods were available in v2, and still available in v3, but should be avoided in favor of native browser API
+
+``` js
+utils.extend( a, b )
+// extend object
+// use Object.assign() or { ...obj } instead
+
+utils.getParent( elem, selector )
+// get parent element of an element, given a selector string
+// use elem.closest( selector ) instead
+```
+
+## Browser support
+
+Fizzy UI utils uses ES2018 features like spread operators and arrow functions. As such its browser support is: Chrome 46+, Firefox 34+, Safari 10+, and Edge 12+.
+
+For older browser support, including IE10 and Android 4, [try v2](https://github.com/metafizzy/fizzy-ui-utils/tree/v2.0.7).
+
+---
+
+[MIT license](https://desandro.mit-license.org/). Have at it.
+
+By [Metafizzy 🌈🐻](https://metafizzy.co)