Berry instrospect.name() to get names of functions, modules and classes

[s-hadinger]

Description:

Berry, add introspect.name(any) -> string or nil

It works only for berry functions (non-native), modules and classes. If a function is anonymous or a type is unsupported, it return nil

import string
import introspect

introspect.name(string)
# 'string'

def foo() end
introspect.name(foo)
# 'foo'

class A def a() end static def b() end end
introspect.name(A)
# 'A'
introspect.name(A.a)
# 'a'
introspect.name(A.b)
# 'b'

Checklist:

• The pull request is done against the latest development branch
• Only relevant files were touched
• Only one feature/fix was added per PR and the code change compiles without warnings
• The code change is tested and works with Tasmota core ESP8266 V.2.7.4.9
• The code change is tested and works with Tasmota core ESP32 V.2.0.7
• I accept the CLA.

NOTE: The code change must pass CI tests. Your PR cannot be merged unless tests pass