Merge pull request #1 from miracum/fedoralina/basicAuth-gPAS-only

fix auth type condition, rename span error message

extend form width for error message

init check digit validation, refactor

add gpas_only logic for ideal user input

reduce redundancy in curl call

basic auth logic inserted, refinement of current plugin logic required

outsource oauth logic, init basic auth logic

chore(config): adds SAP filter field names to config