Merge pull request #4 from fiep-poc/documentation

assets/images/REST_Resourcen.svg

assets/images/api_overview/FIEP_strategic_vision.png

assets/images/quick_reference/application_structure.png

...ts/images/use_case_documentation/BPMN Legend/Activity.png

...ase_documentation/BPMN Legend/Activity_Multi_Instance.png

...s/images/use_case_documentation/BPMN Legend/End_Event.png

.../use_case_documentation/BPMN Legend/Exclusive Gateway.png

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...images/use_case_documentation/BPMN Legend/Start_Event.png

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assets/images/use_case_documentation/use_case_diagramm.png

docs/1_Getting_Started.md

docs/2_Quick_Reference.md

docs/3_Use_Cases_der_API.md

docs/4_Authentifizierung_und_Autorisierung.md

docs/5_Status-_und_Fehlercodes.md

docs/6_Callback.md

docs/7_Begrenzung_von_Abrufen.md

docs/99_Glossar.md