Add apps pages to new werc site.

sites/werc.cat-v.org/apps/blagh/index.md

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+Blagh - A Blogging engine for people who hates blogs
+====================================================
+
+Balgh is werc a werc app that implements a blogging engine.
+
+Some features include:
+
+* File based, database free.
+* History browsing.
+* Atom and RSS feeds.
+* Server-side feed 'aggregation' (merge multiple blogs into a single one).
+* Comments using [bridge](../bridge/)
+* Markdown formatting.
+
+Possible alternative names: Blag, Blah, Bragg.
+

sites/werc.cat-v.org/apps/bridge/index.md

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+Bridge
+======
+
+Bridge is a comments/forum application for werc, which lets people post comments related to any existing document/element.
+

sites/werc.cat-v.org/apps/dirdir/index.md

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+DirDir - A directory-oriented WikiWiki
+======================================
+
+DirDir is the next generation [diri wiki](http://repo.cat-v.org/diri/), now implemented on top of wercand
+taking advantage of its user, site management frameworks and other
+infrastructure.  
+
+Features
+========
+
+DirDir is still somewhat experimental, but already all features diri had, plus some extras thanks to werc's power:
+
+    * Hierarchical organization.
+    * Markdown formatting.
+    * Easily customizable templates
+    * Simple and fine grained user permisions system.
+    * Completely database free.
+    * All needed to setup diridiri is to set a flag in your _werc/config file.
+    * Automatically wiki-fy existing werc documents.
+    * Implemented in about two dozen lines of rc scripts.
+
+
+Status
+======
+
+Mostly usable, all basic features already implemented in the latest werc source
+tree. 
+
+About the name
+==============
+
+DirDir is a pun on diri and WikiWiki, and is also the title of a novel by science fiction and literature grand master Jack Vance.
+