indels support for madc2vcf_targets

[Cristianetaniguti]

• New function to check MADC file: check_madc_sanity. By now, it checks presence of required columns, if fixed allele IDs were assigned, presence of IUPAC codes, lower case sequences bases, indels, and chromosome and position information.
• Add new arguments markers_info for users to add CSV file with marker information such as CHROM, POS, Marker Type and position of indels
• For BI species, these information is at https://github.com/Breeding-Insight/BIGapp-PanelHub

[codecov]

Codecov Report

❌ Patch coverage is 73.38129% with 37 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.24%. Comparing base (a248e93) to head (0b97b46).

Files with missing lines	Patch %	Lines
R/madc2vcf_targets.R	63.09%	31 Missing ⚠️
R/check_madc_sanity.R	93.61%	3 Missing ⚠️
R/madc2vcf_all.R	71.42%	2 Missing ⚠️
R/utils.R	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##           development      #45      +/-   ##
===============================================
- Coverage        83.35%   82.24%   -1.12%     
===============================================
  Files               19       20       +1     
  Lines             1358     1436      +78     
===============================================
+ Hits              1132     1181      +49     
- Misses             226      255      +29     

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