feat: add ISSUE-190 Soroban transaction event monitor example - #265

Unnecessary escape character: \"

Unnecessary escape character: \"

Unnecessary escape character: \"

Unnecessary escape character: \"

Unnecessary escape character: \"

Replace `⏎········.split(/\s*,\s*(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/)⏎········` with `.split(/\s*,\s*(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/)`

Replace `...new·Set(values.map((entry)·=>·String(entry).trim()).filter((entry)·=>·entry.length·>·0))` with `⏎····...new·Set(values.map((entry)·=>·String(entry).trim()).filter((entry)·=>·entry.length·>·0)),⏎··`

Replace `data:·xdr.SorobanTransactionData,·label:·string` with `⏎··data:·xdr.SorobanTransactionData,⏎··label:·string,⏎`

Prefer using an optional chain expression instead, as it's more concise and easier to read

Replace ``${index·+·1}.·${record.asset_code·??·'unknown'}:${record.asset_issuer·??·'unknown'}`` with `⏎······`${index·+·1}.·${record.asset_code·??·'unknown'}:${record.asset_issuer·??·'unknown'}`,⏎····`