Update dataset card

README.md

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+---
+dataset_info:
+  config_name: default
+  features:
+  - name: image
+    dtype:
+      image:
+        decode: false
+  - name: text
+    dtype: string
+  - name: line_id
+    dtype: string
+  - name: line_reading_order
+    dtype: int64
+  - name: line_coords
+    dtype:
+      sequence:
+        sequence: int64
+  - name: line_baseline
+    dtype:
+      sequence:
+        sequence: int64
+  - name: line_augmentation
+    dtype: string
+  - name: region_id
+    dtype: string
+  - name: region_reading_order
+    dtype: int64
+  - name: region_type
+    dtype: string
+  - name: region_coords
+    dtype:
+      sequence:
+        sequence: int64
+  - name: filename
+    dtype: string
+  - name: project_name
+    dtype: string
+  splits:
+  - name: train
+    num_examples: 825
+    num_bytes: 124441446
+  download_size: 124441446
+  dataset_size: 124441446
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train/**/*.parquet
+tags:
+  - image-to-text
+  - htr
+  - trocr
+  - transcription
+  - pagexml
+license: mit
+---
+
+# Dataset Card for test-powerserver-preprocessing-lines
+
+This dataset was created using pagexml-hf converter from Transkribus PageXML data.
+
+## Dataset Summary
+
+This dataset contains 825 samples across 1 split(s).
+
+## Dataset Structure
+
+### Data Splits
+
+- **train**: 825 samples
+
+### Dataset Size
+
+- Approximate total size: 118.68 MB
+- Total samples: 825
+
+### Features
+
+- **image**: `Image(mode=None, decode=False)`
+- **text**: `Value('string')`
+- **line_id**: `Value('string')`
+- **line_reading_order**: `Value('int64')`
+- **line_coords**: `List(List(Value('int64')))`
+- **line_baseline**: `List(List(Value('int64')))`
+- **line_augmentation**: `Value('string')`
+- **region_id**: `Value('string')`
+- **region_reading_order**: `Value('int64')`
+- **region_type**: `Value('string')`
+- **region_coords**: `List(List(Value('int64')))`
+- **filename**: `Value('string')`
+- **project_name**: `Value('string')`
+
+## Data Organization
+
+Data is organized as parquet shards by split and project:
+```
+data/
+├── <split>/
+│   └── <project_name>/
+│       └── <timestamp>-<shard>.parquet
+```
+
+The HuggingFace Hub automatically merges all parquet files when loading the dataset.
+
+## Usage
+
+```python
+from datasets import load_dataset
+
+# Load entire dataset
+dataset = load_dataset("jwidmer/test-powerserver-preprocessing-lines")
+
+# Load specific split
+train_dataset = load_dataset("jwidmer/test-powerserver-preprocessing-lines", split="train")
+```
+
+### Projects Included
+
+1507-05-13_Hanserezess,_Lübeck_Ascensio_Domini_1507_(SAHST_Rep__2,_I_040-6)
+