[Nutch Wiki] Update of "WritingPluginExample" by JakeVanderdray

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+ ''This was written for the 0.7 branch.  It needs to be updated to work with the 0.8 code''
+ 
  == The Example ==
  
  Consider this as a plugin example: We want to be able to recommend specific web pages for given search terms.  For this example we'll assume we're indexing this site.  As you may have noticed, there are a number of pages that talk about plugins.  What we want to do is have it so that if someone searches for the term "plugin" we recommend that they start at the PluginCentral page, but we also want to return all the normal hits in the expected ranking.  We'll seperate the search results page into a section of recommendations and then a section with the normal search results.