cleaned html entities

...re-developer-documentation/apis/java-javascript-v3-api.md

...re-developer-documentation/apis/personal-access-tokens.md

...tion/client-side-extensions/eln-lims-web-ui-extensions.md

...r-documentation/client-side-extensions/openbis-webapps.md

...ntation/development-environment/architectural-overview.md

...pment-environment/installation-and configuration-guide.md

...umentation/development-environment/system-requirements.md

...r-documentation/server-side-extensions/as-api-listener.md

...oper-documentation/server-side-extensions/core-plugins.md

...documentation/advanced-features/authentication-systems.md

...dmin-documentation/advanced-features/maintenance-tasks.md

...system-admin-documentation/advanced-features/share-ids.md

...ker-installation/docker-installation-and-configuration.md

...dmin-documentation/installation/architectural-overview.md

...tion/installation/installation-and-configuration-guide.md

...installation/optional-application-server-configuration.md

...n/installation/optional-datastore-server-configuration.md

...m-admin-documentation/installation/system-requirements.md

...min-users/admins-documentation/customise-the-main-menu.md

...rs/admins-documentation/masterdata-exports-and-imports.md