With or without docker

[SonicWizard]

• Add docker files and docker-compose for running in containers.
• Adds DefaultProvider with defaults for placeholders when not using docker.
• Adds toast for presenting error when no search results are found.
• Adds selected currency to URLs for deeplinking with bitcore v8. (example: http://localhost:4448/#/bch/block/763fec57b8066f071b531a0062c48813b24ee6009be379cb02dd0e9585034d70)
• Removes useless old pages.