Pull config utils

[jonesbusy]

Description

Pull config utils

Also continue to push up some method to extract and generic copy from/to targets

Testing done

mvn clean install

Submitter checklist

• I have read and understood the CONTRIBUTING guide
• I have run mvn license:update-file-header, mvn spotless:apply, pre-commit run -a, mvn clean install before opening the PR

[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 84.72%. Comparing base (e63c719) to head (99255af).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/main/java/land/oras/OCI.java	71.42%	0 Missing and 2 partials ⚠️
src/main/java/land/oras/OCILayout.java	90.90%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #241      +/-   ##
============================================
- Coverage     85.02%   84.72%   -0.30%     
+ Complexity      474      470       -4     
============================================
  Files            33       33              
  Lines          1589     1584       -5     
  Branches        181      176       -5     
============================================
- Hits           1351     1342       -9     
- Misses          158      162       +4     
  Partials         80       80              

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