Docs: How to Write a Data Pipeline?

[iesahin]

• Add How to Create a Data Pipeline document
• debug
• fix hierarchical directories error
• updated command
• update permissions handling
• debug carry_in
• debug
• debug
• debug
• debug
• debug
• debug
• debug
• update
• debugged

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[codecov]

Codecov Report

Attention: 21 lines in your changes are missing coverage. Please review.

Comparison is base (413758a) 68.53% compared to head (3ce832a) 68.37%.

Files	Patch %	Lines
file/src/common/compare.rs	66.66%	9 Missing ⚠️
file/src/bring/mod.rs	33.33%	2 Missing ⚠️
file/src/common/mod.rs	93.75%	2 Missing ⚠️
file/src/error.rs	0.00%	2 Missing ⚠️
walker/src/notify.rs	87.50%	2 Missing ⚠️
walker/src/sync.rs	88.88%	2 Missing ⚠️
core/src/types/xvcpath.rs	87.50%	1 Missing ⚠️
file/src/copy/mod.rs	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #247      +/-   ##
==========================================
- Coverage   68.53%   68.37%   -0.16%     
==========================================
  Files         115      116       +1     
  Lines       12066    12277     +211     
==========================================
+ Hits         8269     8394     +125     
- Misses       3797     3883      +86     

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