fix: Add link to countries in home

See merge request !62

Feat/country list

See merge request !59

# Conflicts:
#   frontend/src/app/app-routing.module.ts
#   frontend/src/app/app.module.ts

feat: Mission FE implementation

See merge request !60

# Conflicts:
#   frontend/src/app/app-routing.module.ts
#   frontend/src/app/app.module.ts

feat: agent fe

See merge request !54

feat: skill controller

See merge request !57

feat: Add Country REST controller

See merge request !52

feat: map entity collections

See merge request !56

fix: Remove HTTPS in local deployment of the h2 console

See merge request !53

feat: mission rest

See merge request !49