Added TOC to plan, removed readme

Requirements/readme.md

-
-These documents are organized in the following order:
-
-[plan.md](plan.md) Big overview.
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-[outline.md](outline.md) An outline of sections in the documents
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-[co-op_background.md](co-op_background.md) Broad expectations for the co-op software.
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-[introduction.md](introduction.md) Requirements part one
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-[requirements.md](requirements.md) Requirements part two, includes tech requirements from Rachael's spreadsheets
-
-
-

plan.md

+# Overall Plan
 
-#### Big questions
+### Table of Contents
+
+* [Big questions](#big-questions)
+* [Documents we need to create](#documents-we-need-to-create)
+* [Governance and Policies, etc.](#governance-and-policies-etc)
+* [Overview and order of work](#overview-and-order-of-work)
+* [Non-component notes to be worked into requirements](#non-component-notes-to-be-worked-into-requirements)
+* [System Design](#system-design)
+  * [Developed Components](#developed-components)
+  * [Off-the-shelf Components](#off-the-shelf-components)
+  * [Controlled vocabularies and tag system](#controlled-vocabularies-and-tag-system)
+
+### Big questions
 
 
 - (solved) how is gitlab backed up?
@@ -201,4 +214,3 @@ World politics--Study and teaching
 ```
 
 **RH: I agree, this is super tricky.  We need to distinguish between types of controlled vocab, so that we don't mix Occupation and Subject.  A tagging system might be very nice for at least subjects.**
-