refactor: restructure Lighter SDK by removing deprecated Go files and enhancing Python documentation with new examples and models

docs/lighter/lighter-python-main/examples/spot_get_account_assets_http.py

@@ -0,0 +1,31 @@
+import logging
+import asyncio
+import lighter
+from utils import default_example_setup
+
+
+async def main():
+    client, api_client, _ = default_example_setup()
+    logging.basicConfig(level=logging.INFO)
+
+    account_api = lighter.AccountApi(api_client)
+    response = await account_api.account(by="index", value=str(client.account_index))
+    if len(response.accounts) == 0:
+        raise "No account found"
+
+    account = response.accounts[0]
+    # Note: cross-account value does not take into account isolated positions, but total does
+    print("=== perp assets ===")
+    print(f"total: {account.total_asset_value} available: {account.available_balance}")
+    print(f"cross: {account.cross_asset_value} isolated: {float(account.total_asset_value) - float(account.cross_asset_value)}")
+
+    # Spot Assets
+    print("=== spot assets ===")
+    for asset in account.assets:
+        print(f"{asset.symbol} total: {asset.balance} available: {float(asset.balance) - float(asset.locked_balance)}")
+
+    await client.close()
+    await api_client.close()
+
+if __name__ == "__main__":
+    asyncio.run(main())