docs: add izyak as a contributor for code (#758)

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -13,7 +13,8 @@
       "profile": "https://github.com/izyak",
       "contributions": [
         "test",
-        "doc"
+        "doc",
+        "code"
       ]
     },
     {

README.md

@@ -58,7 +58,7 @@ Please see our quarterly roadmap [here](https://github.com/orgs/icon-project/pro
 <table>
   <tbody>
     <tr>
-      <td align="center"><a href="https://github.com/izyak"><img src="https://avatars.githubusercontent.com/u/76203436?v=4?s=100" width="100px;" alt="izyak"/><br /><sub><b>izyak</b></sub></a><br /><a href="https://github.com/icon-project/icon-bridge/commits?author=izyak" title="Tests">⚠️</a> <a href="https://github.com/icon-project/icon-bridge/commits?author=izyak" title="Documentation">📖</a></td>
+      <td align="center"><a href="https://github.com/izyak"><img src="https://avatars.githubusercontent.com/u/76203436?v=4?s=100" width="100px;" alt="izyak"/><br /><sub><b>izyak</b></sub></a><br /><a href="https://github.com/icon-project/icon-bridge/commits?author=izyak" title="Tests">⚠️</a> <a href="https://github.com/icon-project/icon-bridge/commits?author=izyak" title="Documentation">📖</a> <a href="https://github.com/icon-project/icon-bridge/commits?author=izyak" title="Code">💻</a></td>
       <td align="center"><a href="https://github.com/andrii-kl"><img src="https://avatars.githubusercontent.com/u/18900364?v=4?s=100" width="100px;" alt="Andrii"/><br /><sub><b>Andrii</b></sub></a><br /><a href="https://github.com/icon-project/icon-bridge/commits?author=andrii-kl" title="Documentation">📖</a> <a href="https://github.com/icon-project/icon-bridge/commits?author=andrii-kl" title="Tests">⚠️</a> <a href="https://github.com/icon-project/icon-bridge/commits?author=andrii-kl" title="Code">💻</a></td>
       <td align="center"><a href="https://github.com/CyrusVorwald-ICON"><img src="https://avatars.githubusercontent.com/u/90732384?v=4?s=100" width="100px;" alt="CyrusVorwald-ICON"/><br /><sub><b>CyrusVorwald-ICON</b></sub></a><br /><a href="#business-CyrusVorwald-ICON" title="Business development">💼</a> <a href="https://github.com/icon-project/icon-bridge/commits?author=CyrusVorwald-ICON" title="Documentation">📖</a> <a href="#ideas-CyrusVorwald-ICON" title="Ideas, Planning, & Feedback">🤔</a> <a href="#maintenance-CyrusVorwald-ICON" title="Maintenance">🚧</a> <a href="#projectManagement-CyrusVorwald-ICON" title="Project Management">📆</a></td>
     </tr>