Typos and minor fixes

[aazocar]

• Typo in nfdico:AcademicDiscipline description: An academic discipline, a research field or domain of a resource, e.g. a data portal or a filed of study of a person.
• Typo in nfdico:mediaType: The property relates a contrbution to its data format.
• Typo in nfdico:ProvidedWork description: A ressource that identifies a work provided to the nfdi. (caps in NFDI)
• Unicode characters in annotation (nfdicore:example) of nfdicore:Organization and nfdicore:Project classes. (Related to #11 )
• Remove object property nfdico:sofwareOf
• Missing description comment in property nfdicore:partnerOrganization.

[aazocar]

• According to the definition, nfdico:Standard can be used to evaluate or create services. For example, a dataset of materials properties can be created conforming to an international standard, we suggest including also resources in the description: An international standard and norm that can be used to evaluate or create a resource.