✨v2 python client (#176)

* Deprecate existing python client

* Adding v4-client-py-v2

* Make network configs configurable

* Reformat

* Add markets endpoints example

* Replace mainnet urls with testnet

* Add the link to dydx network resources

---------

Co-authored-by: Piotr Piwoński <piwonskp@gmail.com>

v4-client-py-v2/.gitignore

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+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
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+parts/
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+.installed.cfg
+*.egg
+MANIFEST
+
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+*.manifest
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+nosetests.xml
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+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
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+
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+# LSP config files
+pyrightconfig.json

v4-client-py-v2/.pre-commit-config.yaml

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+repos:
+  - repo: https://github.com/psf/black
+    rev: 24.4.0
+    hooks:
+    - id: black
+      language_version: python3.12
+  - repo: https://github.com/pycqa/isort
+    rev: 5.13.2
+    hooks:
+      - id: isort
+        name: isort (python)

v4-client-py-v2/DIFF.md

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+## Comparison of Differences
+
+### `Indexer` Coverage Analysis
+
+This table compares the method names in the Python client with those found in the API documentation.
+
+Symbols:
+`=` - The method names are the same in both the client and API
+`-` - The method is missing from the client library
+
+| Method Name (sync client)          | API Method (docs)    | Method | Path                                 |
+| ---------------------------------- | -------------------- | ------ | ------------------------------------ |
+| get_subaccounts                    | GetAddress           | GET    | /addresses                           |
+| get_subaccount                   = | GetSubaccount        | GET    | /addresses/{}/subaccountNumber/{}    |
+| get_subaccount_asset_positions     | GetAssetPositions    | GET    | /assetPositions                      |
+| get_perpetual_market_candles       | GetCandles           | GET    | /candles/perpetualMarkets            |
+| get_screen                         | Screen               | GET    | /screen                              |
+| get_subaccount_fills               | GetFills             | GET    | /fills                               |
+| get_height                       = | GetHeight            | GET    | /height                              |
+| get_perpetual_market_funding       | GetHistoricalFunding | GET    | /historicalFunding                   |
+| get_subaccount_historical_pnls     | GetHistoricalPnl     | GET    | /historical-pnl                      |
+| get_perpetual_market_orderbook     | GetPerpetualMarket   | GET    | /orderbooks/perpetualMarket          |
+| get_subaccount_orders              | ListOrders           | GET    | /orders                              |
+| get_order                        = | GetOrder             | GET    | /orders/{}                           |
+| get_perpetual_markets              | ListPerpetualMarkets | GET    | /perpetualMarkets                    |
+| get_subaccount_perpetual_positions | ListPositions        | GET    | /perpetualPositions                  |
+| get_perpetual_markets_sparklines   | Get                  | GET    | /sparklines                          |
+| get_time                         = | GetTime              | GET    | /time                                |
+| get_perpetual_market_trades        | GetTrades            | GET    | /trades/perpetualMarket              |
+| get_subaccount_transfers           | GetTransfers         | GET    | /transfers                           |
+| - (no Py, no TS)                   | GetTradingRewards    | GET    | /historicalBlockTradingRewards       |
+| - (no Py, no TS)                   | GetAggregations      | GET    | /historicalTradingRewardAggregations |
+
+#### Categorization:
+
+Should the methods be grouped into `Account`, `Market`, and `Utility` sections?
+
+### Data Types Analysis
+
+#### `MarketType`
+
+- The `CROSS` enumeration option is not documented.
+
+#### `PerpetualMarketResponse`
+
+- The `openInterestLowerCap` and `openInterestUpperCap` fields are always empty and not documented. Are they new, optional, or obsolete?
+
+#### `PerpetualPositionResponseObject`
+
+- `subaccount_number` is present but undocumented.
+
+#### `FillResponseObject`
+
+- Contains `subaccountNumber`, but it is not documented.
+
+### Method-Specific Observations
+
+#### `ListPerpetualMarkets`
+
+- The `limit` parameter is optional.
+
+#### `GetTrades`
+
+- The `limit` parameter is optional.
+
+#### `GetCandles`
+
+- The `limit` parameter is optional.
+
+#### `GetAddress`
+
+- Although the implementation includes a `limit` parameter, it is undocumented.
+
+#### `GetSubaccount`
+
+- Returns `SubaccountResponse`, not `SubaccountResponseObject`. The former is a map with a single `subaccount` field.
+- The `limit` and `status` parameters are optional.
+
+#### `GetAssetPositions`
+
+- Additional parameters similar to `ListPositions` exist but are undocumented.
+
+#### `ListOrders`
+
+- The `OrderResponseObject` includes an optional `goodTilBlock` field that is not present in responses.