feat : update readme and test code

README.md

@@ -16,16 +16,16 @@ npm install tokamak-multichain
 ```javascript
 import { MultiChainSDK } from 'tokamak-multichain'
 
-const sdk = new MultiChainSDK({
+const TokamakSDK = new MultiChainSDK({
   chainId: 55004,
 })
-const tokenList = sdk.tokens
+const tokenList = TokamakSDK.tokens
 // Output the structure of the tokenList
-console.log('Token List:', tokenList)
+console.log('Token List : ', tokenList)
 
 /*
 The structure of the tokenList
-tokenList =  [
+Token List : [
   {
     chainId: 55004,
     address: '0x7c6b91D9Be155A6Db01f749217d76fF02A7227F2',
@@ -89,7 +89,7 @@ console.log('L2Messenger : ', L2Messenger)
 
 You can try out the tokamak-multichain package in an online environment using CodeSandbox. Click the button below to open the project in CodeSandbox:
 
-[![Open in CodeSandbox](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/p/devbox/example-tokamak-multichain-v799tz?file=%2Findex.js%3A14%2C1&layout=%257B%2522sidebarPanel%2522%253A%2522EXPLORER%2522%252C%2522rootPanelGroup%2522%253A%257B%2522direction%2522%253A%2522horizontal%2522%252C%2522contentType%2522%253A%2522UNKNOWN%2522%252C%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522id%2522%253A%2522ROOT_LAYOUT%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522UNKNOWN%2522%252C%2522direction%2522%253A%2522vertical%2522%252C%2522id%2522%253A%2522clru959b30006356ke6yf2s5n%2522%252C%2522sizes%2522%253A%255B70%252C30%255D%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522EDITOR%2522%252C%2522direction%2522%253A%2522horizontal%2522%252C%2522id%2522%253A%2522EDITOR%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522EDITOR%2522%252C%2522id%2522%253A%2522clru959b20002356kacumgm7l%2522%257D%255D%257D%252C%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522SHELLS%2522%252C%2522direction%2522%253A%2522horizontal%2522%252C%2522id%2522%253A%2522SHELLS%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522SHELLS%2522%252C%2522id%2522%253A%2522clru959b20004356ku66ul83r%2522%257D%255D%252C%2522sizes%2522%253A%255B100%255D%257D%255D%257D%252C%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522DEVTOOLS%2522%252C%2522direction%2522%253A%2522vertical%2522%252C%2522id%2522%253A%2522DEVTOOLS%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522DEVTOOLS%2522%252C%2522id%2522%253A%2522clru959b20005356k70xqu7d7%2522%257D%255D%252C%2522sizes%2522%253A%255B100%255D%257D%255D%252C%2522sizes%2522%253A%255B50%252C50%255D%257D%252C%2522tabbedPanels%2522%253A%257B%2522clru959b20002356kacumgm7l%2522%253A%257B%2522id%2522%253A%2522clru959b20002356kacumgm7l%2522%252C%2522activeTabId%2522%253A%2522clru98zes0002356kujrtt06c%2522%252C%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clru959b20001356kb3l80m92%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522FILE%2522%252C%2522filepath%2522%253A%2522%252FREADME.md%2522%252C%2522state%2522%253A%2522IDLE%2522%257D%252C%257B%2522id%2522%253A%2522clru98zes0002356kujrtt06c%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522FILE%2522%252C%2522initialSelections%2522%253A%255B%257B%2522startLineNumber%2522%253A14%252C%2522startColumn%2522%253A1%252C%2522endLineNumber%2522%253A14%252C%2522endColumn%2522%253A1%257D%255D%252C%2522filepath%2522%253A%2522%252Findex.js%2522%252C%2522state%2522%253A%2522IDLE%2522%257D%252C%257B%2522type%2522%253A%2522FILE%2522%252C%2522filepath%2522%253A%2522%252Fnode_modules%252F%2522%252C%2522id%2522%253A%2522clruaiz6200q5356kt0buyfh5%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522state%2522%253A%2522IDLE%2522%257D%255D%257D%252C%2522clru959b20005356k70xqu7d7%2522%253A%257B%2522id%2522%253A%2522clru959b20005356k70xqu7d7%2522%252C%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clru959b20003356k6t2j46og%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522TASK_LOG%2522%252C%2522taskId%2522%253A%2522start%2522%257D%255D%252C%2522activeTabId%2522%253A%2522clru959b20003356k6t2j46og%2522%257D%252C%2522clru959b20004356ku66ul83r%2522%253A%257B%2522id%2522%253A%2522clru959b20004356ku66ul83r%2522%252C%2522activeTabId%2522%253A%2522clru9vsue00c3356k9vbq1dfk%2522%252C%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clru9vsue00c3356k9vbq1dfk%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522TERMINAL%2522%252C%2522shellId%2522%253A%2522clru9vu6p00jbdqg62mi5dg8y%2522%257D%255D%257D%257D%252C%2522showDevtools%2522%253Atrue%252C%2522showShells%2522%253Atrue%252C%2522showSidebar%2522%253Atrue%252C%2522sidebarPanelSize%2522%253A15%257D)
+[![Open in CodeSandbox](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/p/live/943669f4-e3cb-4ef7-96ad-e5ac2efc0202?file=%2Findex.js%3A5%2C23)
 
 This CodeSandbox project includes a basic setup with the @titan/sdk package. You can explore and experiment with the functionalities in a live environment.
 
@@ -98,17 +98,6 @@ This CodeSandbox project includes a basic setup with the @titan/sdk package. You
 - If you want to add a token or change to the token list, refer to [the contracts documentation](https://github.com/tokamak-network/tokamak-multichain/blob/main/tokens/README.md).
 - If you want to add a contract or change to the contract list, refer to [the tokens documentation](https://github.com/tokamak-network/tokamak-multichain/blob/main/contracts/README.md).
 
-## Directory Structure
-
-```
-├── contracts:
-├── tokens:
-├── bin:
-├── test:
-├── src
-│   ├──
-```
-
 ## Production branch
 
 The production branch is "main". This branch holds the codebase for the most recent "stable" releases. Any changes made to the main branch are initially integrated from the develop branch.