Merge pull request #39 from Telefonica/bug/docs_and_extension_fixes

bug: fix README and Data_XDR extension

README.md

@@ -45,7 +45,7 @@ cause any issues if present when the schema is used with other programs.
 ### Docker
 
 ```
-./lanuza/pipelines/build
+./lanuza/pipelines/build.sh
 ```
 
 > EXTENSION_FLAVOUR environment var can be used in order switch between different datasets' extensions 
@@ -821,4 +821,4 @@ Additionally, the not-informed column rate can be configured using `--not-inform
 Example:
 ```
 bash lanuza/pipelines/run.sh lanuza/scripts/build-data.sh --dataset-id=Full_LogicalType_Dataset_With_Complex_Types --dataset-version=1.0.0 --records=50 --datasets-in=samples/datasets --datasets-extensions-in=samples/extensions --out=output --num-files=1 --max-threads=1 --start-date=2023-04-24 --end-date=2023-04-27 --extension-flavour=.full-malformed --not-informed=true
-```
+```

samples/extensions/Data_XDR/v6.0.0/extensions.json

@@ -3,7 +3,7 @@
   "name": "Data_XDR",
   "type": "record",
   "doc": "MOCK PRADO",
-  "x-fp-version": "5.9.0",
+  "x-fp-version": "6.0.0",
   "fields": [
     {
       "name": "OPERATOR_ID",