Update README.md

This dataset contains Turkish Stock Market's all ticker's 1 minute data between 28 of April 2023 and 24 of May 2023. There is about 500 tickers and more than 3 million of rows.
The data collected from Yahoo Finance. The size of data is around 400 MB.
You can do following tasks with this data:
- Anomlay Detection
- Univariate&MultiVariate Time Series Prediction
- Time Series Clustering and Classification
- Algorithmic Trading Strategies.

README.md

@@ -1,3 +1,11 @@
 ---
 license: openrail
----
+task_categories:
+- time-series-forecasting
+tags:
+- finance
+- stock
+- market
+size_categories:
+- 100M<n<1B
+---