feat: move dfnet to internal

[gaius-qi]

Signed-off-by: Gaius [email protected]

Description

• Move dfnet to internal directory.

Related Issue

Motivation and Context

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist:

• Code compiles correctly.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #862 (d69add4) into main (2e2df97) will not change coverage.
The diff coverage is 50.00%.

@@           Coverage Diff           @@
##             main     #862   +/-   ##
=======================================
  Coverage   41.35%   41.35%           
=======================================
  Files         102      102           
  Lines        8038     8038           
=======================================
  Hits         3324     3324           
  Misses       4303     4303           
  Partials      411      411           

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	41.35% <50.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cdn/supervisor/task/manager_util.go	0.00% <0.00%> (ø)
client/config/flags.go	0.00% <ø> (ø)
client/config/peerhost.go	35.29% <ø> (ø)
client/daemon/daemon.go	5.72% <ø> (ø)
client/daemon/peer/peertask_dummy.go	0.00% <ø> (ø)
internal/util/util.go	100.00% <ø> (ø)
scheduler/supervisor/cdn.go	73.37% <ø> (ø)
client/daemon/peer/piece_manager.go	67.52% <100.00%> (ø)