v3.1.0-alpha.3

• chore(release): 3.1.0-alpha.3 (3b5289d)
• add missing file (165066e)
• add missing file (2eccfb6)
• improve carrier marker look (542f5f3)
• increase zoom level on fitting to markers (6570d31)
• remove unused file (55dc5d9)
• dev: change host for dev-server (f4bd359)