initialize readme

readme.md

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+Concepts
+======================================
 
+pull various static files into postgres and do basic transformation without losing the original document
+or getting into custom code for each scenario
+
+##Storage
+all records are jsonb
+applied mappings are in associated jsonb documents
+
+##Import
+`COPY` function utilized
+
+##Mappings
+1. regular expressions are used to extract pieces of the json objects
+2. the results of the regular expressions are bumped up against a list of basic mappings and written to an associated jsonb document
+
+##Transformation tools
+* `COPY`
+* `regexp_matches()`
+
+##Difficulties
+Non standard file formats will require additional logic
+This