Task#7 Add security

[Maslyna]

Create security class configuration:

• Create class WebSecurityConfiguration:
  • Create beans:
    • SecurityFilterChain
      • GET(/talents) method - permit all
      • anyRequest().authorise()
    • PasswordEncoder
    • UserDetailsService

Need to be done before:

• Task#1 Create DB repository #10
• Task#2 Create Entities for DB #12
• Task#3 Create Talent controller #13