add file outline, list each file in the new docs with headings

tat_requirements/outline.md

+
+plan.md
+
+plan.md #### Big questions
+
+plan.md #### Overview and order of work
+
+plan.md #### Code we write
+
+plan.md #### Controlled vocabularies and tag system 
+
+plan.md #### Code we use off the shelf
+
+co-op_background.md
+
+co-op_background.md #### Authors
+
+co-op_background.md #### Organization of documenatation
+
+co-op_background.md #### Introduction to SNAC
+
+co-op_background.md #### Evaluation of Existing Technical Architecture
+
+co-op_background.md #### Overview
+
+co-op_background.md #### Current State of the System
+
+co-op_background.md #### Processing Pipeline
+
+co-op_background.md #### Extraction
+
+co-op_background.md #### Gap analysis
+
+co-op_background.md #### Data maintenance
+
+co-op_background.md #### Pilot phase architecture
+
+co-op_background.md #### Alternative 1
+
+co-op_background.md #### Current State Conclusion
+
+introduction.md
+
+introduction.md #### Software development, processes, and project management
+
+introduction.md #### QA and Related Tests for Test-driven Development
+
+introduction.md #### Documentation
+
+introduction.md #### Data background
+
+introduction.md #### What is "normal form" and what informs the database schema design?
+
+introduction.md #### Edit architecture requirements
+
+introduction.md #### Required and Planned Functionality
+
+introduction.md #### Expanded CPF schema requirements
+
+introduction.md #### Expanded Database Schema
+
+introduction.md #### Introduction to Planned Functionality
+
+introduction.md #### Required new features
+
+introduction.md #### Merge and watch
+
+introduction.md #### Brian’s API docs need to be merged in or otherwise referred to:
+
+introduction.md #### Not sure where to fit these topics into the requirements. Some of them may not be part of technical requirements:
+
+introduction.md #### Match/Merge
+
+introduction.md #### Discovery/Dissemination
+
+introduction.md #### Prototype research tool
+