Add new auto detection strategy for singular table name

[suzuki]

About

Add new strategy option "singularTableName" for automatically detect relations.

Motivations

Our projects use the "singular table name" like:

some_table.user_id -> user.id
some_table.post_id -> post.id

We want to detect table relations automatically, so I want to add this new strategy.

Usage

Add strategy to detectVirtualRelations.

detectVirtualRelations:
  enabled: true
  strategy: singularTable

[codecov]

Codecov Report

Merging #320 (779d3dd) into main (70f0e1b) will decrease coverage by 0.13%.
The diff coverage is 46.15%.

@@            Coverage Diff             @@
##             main     #320      +/-   ##
==========================================
- Coverage   67.02%   66.88%   -0.14%     
==========================================
  Files          26       26              
  Lines        4318     4331      +13     
==========================================
+ Hits         2894     2897       +3     
- Misses       1132     1140       +8     
- Partials      292      294       +2     

Impacted Files	Coverage Δ
config/naming.go	62.16% <46.15%> (-8.68%)	⬇️
datasource/datasource.go	40.14% <0.00%> (-2.12%)	⬇️

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[k1LoW]

@suzuki WOW! GREAT!!!!!
Thank you for your wonderful features!

I'll check it out today!

[k1LoW]

LGTM! Thank you!!!