fix(vector-map): fix center point calculation

See merge request !292

feat(vector-map): add drawing for reaction modifiers lines

Closes MIN-64

See merge request !291

feat(vector-map): implement reaction operator drawing

Closes MIN-55

See merge request !290

feat(vector-map): implement reactions of three elements

Closes MIN-54

See merge request !288

feat(vector-map): implement line scaling

Closes MIN-66

See merge request !286

feat(vector-map): implement reaction square element

Closes MIN-56

See merge request !285

feat(vector-map): implement reactions between two elements

Closes MIN-52

See merge request !283

Merge branch 'feat/MIN-64-reaction-with-modification' of https://gitlab.lcsb.uni.lu/minerva/frontend into fix/incorrect-center-point

Merge branch 'feat/MIN-55-boolean' of https://gitlab.lcsb.uni.lu/minerva/frontend into feat/MIN-64-reaction-with-modification

Merge branch 'feat/MIN-66-line-scaling' of https://gitlab.lcsb.uni.lu/minerva/frontend into feat/MIN-54-reactions-of-three-elements

Merge branch 'feat/MIN-66-line-scaling' of https://gitlab.lcsb.uni.lu/minerva/frontend into feat/MIN-54-reactions-of-three-elements

Merge branch 'feat/MIN-56-reaction-square' of https://gitlab.lcsb.uni.lu/minerva/frontend into feat/MIN-66-line-scaling

Merge branch 'feat/MIN-52-reactions---two-elements' of https://gitlab.lcsb.uni.lu/minerva/frontend into feat/MIN-56-reaction-square

Resolve "allow to have plugins without panel"

Closes #306

See merge request !289

add spiner (fetch in memory and download from memory)

See merge request !287

Resolve "ToS for orcid users"

See merge request !284