TB 41089: Add tor-browser build scripts + Makefile to tor-browser

.gitignore

tools/geckoview/.gitignore

tools/geckoview/Makefile

tools/geckoview/android-env-linux-template.sh

tools/geckoview/android-env-macos-template.sh

tools/geckoview/build-fenix.sh

tools/geckoview/build-geckoview.sh

tools/geckoview/clobber.sh

tools/geckoview/config.sh

tools/geckoview/jslint.sh

tools/torbrowser/Makefile

tools/torbrowser/browser-self-sign-macos.sh

tools/torbrowser/build.sh

tools/torbrowser/clobber.sh

tools/torbrowser/config.sh

tools/torbrowser/deploy.sh

tools/torbrowser/fetch.sh

tools/torbrowser/ide.sh

tools/torbrowser/jslint.sh