Add top-level access to FlyteRemote, FlyteFile, and FlyteDirectory and convenience class methods for FlyteRemote (#2836)

[eapolinario]

Backport #2836

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 47.63%. Comparing base (9d52cd1) to head (006c87d).
Report is 3 commits behind head on release-v1.13.

Files with missing lines	Patch %	Lines
flytekit/remote/remote.py	72.72%	3 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (9d52cd1) and HEAD (006c87d). Click for more details.

HEAD has 7 uploads less than BASE

Flag	BASE (9d52cd1)	HEAD (006c87d)
	10	3

Additional details and impacted files

@@                Coverage Diff                 @@
##           release-v1.13    #2904       +/-   ##
==================================================
- Coverage          93.26%   47.63%   -45.63%     
==================================================
  Files                 54      194      +140     
  Lines               2689    19906    +17217     
  Branches               0     2538     +2538     
==================================================
+ Hits                2508     9483     +6975     
- Misses               181     9930     +9749     
- Partials               0      493      +493     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.