Replace emoji shortcodes with UTF-8 emoji (#303)

Emoji shortcodes vary from platform to platform and aren't supportted by
purely markdown and pypi. Replacing emoji shortcodes with UTF-8 emoji
like others in README can make the document more consistent.

README.md

@@ -34,7 +34,7 @@ This project offers you an alternative to **Universal Charset Encoding Detector*
 | `Detect spoken language` | ❌ | ✅ | N/A |
 | `UnicodeDecodeError Safety` | ❌ | ✅ | ❌ |
 | `Whl Size` | 193.6 kB | 40 kB | ~200 kB |
-| `Supported Encoding` | 33 | :tada: [90](https://charset-normalizer.readthedocs.io/en/latest/user/support.html#supported-encodings) | 40 |
+| `Supported Encoding` | 33 | 🎉 [90](https://charset-normalizer.readthedocs.io/en/latest/user/support.html#supported-encodings) | 40 |
 
 <p align="center">
 <img src="https://i.imgflip.com/373iay.gif" alt="Reading Normalized Text" width="226"/><img src="https://media.tenor.com/images/c0180f70732a18b4965448d33adba3d0/tenor.gif" alt="Cat Reading Text" width="200"/>
@@ -112,7 +112,7 @@ optional arguments:
 normalizer ./data/sample.1.fr.srt
 ```
 
-:tada: Since version 1.4.0 the CLI produce easily usable stdout result in JSON format.
+🎉 Since version 1.4.0 the CLI produce easily usable stdout result in JSON format.
 
 ```json
 {