csv import: template matching rules

[deadlocker8]

• Allow to specify rules to match transactions from csv to a template.
• Match by column "name"
• Match by exactl string (but ignore case) OR match with wildcards
• Automatically show matched template in csv import overview but allow manual override
• Allow to specify what should be used as "name" in the new transaction from template
• example:
  • name column in csv "LIDL sagt danke"
  • match with template "Groceries"
  • how to deal with name in the new transaction from template: use name "LIDL"
    • allow 1:1 use of name from csv
    • allow use of name from template
    • text input for manuel override