Merge pull request #6 from rdf-ext/readme

chore: added help to readme

README.md

@@ -28,6 +28,34 @@ This will read `somePathOrUrl` with content-type auto-detection and write the re
 If `--shacl-url` is given, the input will be validated against the given SHACL shape, and the report will be written to the output.
 Run `rdf-ext` without any arguments to get a full list of supported parameters.
 
+### Help
+
+```
+Usage: rdf-ext-cli [options] [input]
+
+Arguments:
+  input                                input
+
+Options:
+  --input-endpoint <url>               input SPARQL endpoint url
+  --input-query <query>                input SPARQL query
+  --input-type <type>                  input content type
+  --shacl-endpoint <url>               SHACL SPARQL endpoint url
+  --shacl-query <query>                SHACL SPARQL query
+  --shacl-type <type>                  SHACL content type (default: "text/turtle")
+  --shacl-url <url>                    SHACL URL
+  --shacl-debug                        generate results for successful validations
+  --shacl-details                      generate nested result details
+  --shacl-trace                        generate results for path traversing
+  --transform-map-namespace <mapping>  map the given namespaces (default: {"index":{}})
+  --transform-skolem-iris <baseIri>    map blank nodes to Skolem IRIs
+  --transform-to-triples               set graph to default graph
+  --output-prefix <prefix>             output prefix (default: {})
+  --output-type <type>                 output content type (default: "text/turtle")
+  --pretty                             use pretty print serializer
+  -h, --help                           display help for command
+```
+
 ## Examples
 
 See the examples folder for some example commands.