Invenio-theme-tugraz

- wording: update text in benefits
- translation: fix research result typo
- ui: remove commented code
- ui: remove comingsoon rule

- ui: use only first type
- ui: change overview logos
- wording: improve
- wording: improve wording
- fix: multiple subjects not displayed in one row

- translation: change text on frontpage overview
- ui: comment browse functionality
- ui: remove scss, not used

- setup: move python supported window
- overview: rephrase text
- menu: temporarily remove overwrite
- ui: change paths to data-models
- global: change to invenio-records-global-search
- refactor: apply semantic-ui, indentation, copyright
- layout: improve
- theme: add separate search entry for rdm
- global: make it compatible with v12

- fix: frontpage upload buttons small monitor

- frontpage: layout changes
- translation: add oer frontpage translation
- WIP: oer upload button on frontpage