feat(webapps/front-end-build): optimize build
feat(webapps/front-end-build): optimize build

Get rid of a number of resources in final build

- use locally packaged bootstrap
- use locally packaged angular-ui
- renamed assets/patched to assets/local for clarity
- add .patched or -patched to patched resources for clarity
- update require-conf to reflect new changes

Related to CAM-1712

camunda/camunda-commons-ui,nagyistoce/camunda-commons-ui,camunda/camunda-commons-ui,nagyistoce/camunda-commons-ui