Add extended reporting

[ivbeg]

Right now report include only: field name, data type, tags, semantic type id and registry URL.
Sometimes additional information required and it's collected during matching process.

Consider to add to report following data (already collected):

• number of unique values
• share of unique values
• minimal length
• max length
• average length
• minimal value
• maximum value

Consider to add and to collect following info:

• has alphas
• has digits
• has special chars

If possible, add following:

• reconstucted regexp - regular expression reconstucted from data sample
• named entities - named entities extracted by one of named entities detection tools like Microsoft Presidio or Slovnet or others