Merge pull request #10 from FAIRmat-NFDI/switch_to_multi_format_reader2

thanks @lukaspie 
I will take a look later to remove the @url stuff.

.gitignore

@@ -199,6 +199,8 @@ cython_debug/
 .pyenv
 *.pyc
 *.txt
+!tests/data-multi/.txt
+!examples/witec/txt/*.txt
 !requirements.txt
 !dev-requirements.txt
 build/

examples/witec/txt/README.md

@@ -0,0 +1,12 @@
+## WITEC example Raman Multiformat Reader
+This is an example dataset to convert a .txt file
+(exported ASCII file, Si-wafer-Raman-Spectrum-1.txt) with the addition of a ELN
+data file (eln_data.yaml) to a NeXus file.
+
+## How to use
+- 1. Go into the root folder of this repository (default "pynxtools-raman")
+- 2. Copy and paste:
+    ```
+    dataconverter examples/witec/txt/eln_data.yaml examples/witec/txt/Si-wafer-Raman-Spectrum-1.txt examples/witec/txt/config_file.json --reader raman_multi --nxdl NXraman --output examples/witec/txt/new_output.nxs
+    ```
+- 3. A new file should be created at "examples/witec/txt/new_output.nxs".