wip(docs): use smaller emoji

Author: FranckFreiburger

README.md

@@ -67,17 +67,17 @@ Load .vue files dynamically at runtime from your html/js. No node.js environment
   see [examples](docs/examples.md)
 
 
-## Try It Online :test_tube:
+## Try It Online <sub>:test_tube:</sub>
 
   https://codepen.io/franckfreiburger/project/editor/AqPyBr
 
 
-## Public API :blue_book:
+## Public API <sub>:book:</sub>
 
   **[loadModule](docs/api/README.md#loadmodule)**(`path`: string, `options`: [Options](docs/api/interfaces/options.md)): Promise\<Module>
 
 
-## dist/ :package:
+## dist/ <sub>:package:</sub>
 
   [![latest bundle version](https://img.shields.io/npm/v/vue3-sfc-loader?label=version)](https://github.com/FranckFreiburger/vue3-sfc-loader/blob/main/CHANGELOG.md)
   [![bundle minified size](https://img.shields.io/bundlephobia/min/vue3-sfc-loader?label=min)](#dist)
@@ -93,20 +93,20 @@ Load .vue files dynamically at runtime from your html/js. No node.js environment
   - `npm install vue3-sfc-loader` (here: `./node_modules/vue3-sfc-loader/dist/vue3-sfc-loader.js`)
 
 
-## Build your own version :hammer_and_wrench:
+## Build your own version <sub>:hammer_and_wrench:</sub>
 
   `webpack --config ./build/webpack.config.js --mode=production --env targetsBrowsers="> 1%, last 2 versions, Firefox ESR, not dead, not ie 11"`
 
   _see [`package.json`](https://github.com/FranckFreiburger/vue3-sfc-loader/blob/main/package.json) "build" script_  
   _see [browserslist queries](https://github.com/browserslist/browserslist#queries)_  
 
 
-## How It Works :gear:
+## How It Works <sub>:gear:</sub>
 
   [`vue3-sfc-loader.js`](https://unpkg.com/[email protected]/dist/report.html) = `Webpack`( `@vue/compiler-sfc` + `@babel` )
 
 
-### more details :mag:
+### more details <sub>:mag:</sub>
 
   1. load the `.vue` file
   1. parse and compile template, script and style sections (`@vue/compiler-sfc`)
@@ -116,15 +116,15 @@ Load .vue files dynamically at runtime from your html/js. No node.js environment
   1. merge all and return the component
 
 
-## Any Questions :question:
+## Any Questions <sub>:question:</sub>
 
   <!--  ask here: https://stackoverflow.com/questions/ask?tags=vue3-sfc-loader (see [previous questions](https://stackoverflow.com/questions/tagged/vue3-sfc-loader)) -->
   [:speech_balloon: ask in Discussions tab](https://github.com/FranckFreiburger/vue3-sfc-loader/discussions)
 
 
 ## Previous version (for vue2)
 
-  see [http-vue-loader](https://github.com/FranckFreiburger/http-vue-loader) :zzz:
+  see [http-vue-loader](https://github.com/FranckFreiburger/http-vue-loader) <sub>:zzz:</sub>
 
 #