Provide an enrich functionality

[baubakg]

We should be able to enrich log data with external information.

• Search Criteria : provide a map of selection criteria <definitionEntry name, Matchers> maybe?
• Entry Name : provide a name for the enrichment value
• Entry Value : provide enrichment value (constant)
• DefaultValue

Genric Data

• Entry Name : provide and add a parse definition entry (it could be a string)

SDK

• Entry Name : provide an existing entry (field name) if it is NOT a string

Result

All lines maching the search criteria will have an added entry for the entry name and value.
The parse definition will have a new parsedefinition entry corresponding to the entry name