docs: Add External Data Response Cache design doc and reorg links bas…

…ed on … (open-policy-agent#2724)

Signed-off-by: Rita Zhang <rita.z.zhang@gmail.com>

docs/design/README.md

@@ -7,33 +7,34 @@ Generally, design docs are on Google docs:
 ## In Development
 
 ## Proposed
-* [Template e2e Testing Design](https://docs.google.com/document/d/15nWc9TH97LF9o58CTVxYxFM9tYk8-seB5erIa2gouPo/edit)
-* [ByPod Status Design](https://docs.google.com/document/d/13xmVQuE9Q8CFDpL9pzpoAyH1nIzHndP0OfccXVShiPo/edit)
 * [Namespace-Scoped Constraints](https://docs.google.com/document/d/1-pY7B5C6R0fjUbDu8izlcP7MSUDVDHv5XK16BFyTGRc/edit#heading=h.w8j68o8vjdts)
-* [Mutation Design - 4th Edition (current approach)](https://docs.google.com/document/d/1MdchNFz9guycX__QMGxpJviPaT_MZs8iXaAFqCvoXYQ/edit?ts=5f73fb77#
-)
-   * [Mutation Interfaces (for the current approach)](https://docs.google.com/document/d/1c5Z3g6Zsfmga7xod4--t6RrXamdAaMaqYzPNujtZb10/edit)
-   * [OPA Gatekeeper Mutation (alternate proposal)](https://docs.google.com/document/d/1LtNIxd-Y3oh0HPgPYdaVV7t2c6vBSwzYAFcTyxQYZjE/edit)
-   * [Mutation Revised Design Doc (June 2019)](https://docs.google.com/document/d/1G7WgZKx1Y3VOTUjrqn7DjDaZgSKCIZowILm_I6psrw0/edit#heading=h.mtvdjag5uj9)
-   * [Mutation Initial Design Doc (April 2019)](https://docs.google.com/document/d/1qTHwqoUX8AL2jodyWKB_2szrGDwhi14Ra_LlQ-ogtck/edit#heading=h.iu1ppjy7g7j)
-* [External Data](https://docs.google.com/document/d/1hPi86jdsCKg8puYT5_s_73mPGExUJeZfyKmvG-XWtPc/edit#)
-* [gator validate](https://docs.google.com/document/d/1B0hXDia8SExOkCVAEbPVHFJmnWeJgHziGvMxnzrENa0/edit)
 * [Sync Resource](https://docs.google.com/document/d/1ZbXaEh7v_HcgrRu7N-kEucU2pXyq1Rt7cSmmFOBN2q8/edit)
+* [External Data Response Cache](https://docs.google.com/document/d/1nl6iWMmh9CRT0A6cr-Nkfofv9wp210Bkf6ilLq9LLBo/edit)
 
 ## Implemented
-* [V3 Accepted Design](https://docs.google.com/document/d/1yC4wgpVoJj6ngYnSTtO-HeaIBl05gla562sD7qKPy3M/edit#heading=h.z0bjqzl81dpe)
+* [Gatekeeper V3 Accepted Design](https://docs.google.com/document/d/1yC4wgpVoJj6ngYnSTtO-HeaIBl05gla562sD7qKPy3M/edit#heading=h.z0bjqzl81dpe)
    * [Initial v3 Design Proposal](https://docs.google.com/document/d/1S4C5BHZDoAqw5m5aVWrr8b8fe4H3I2jymmKitoTia2Y/edit#heading=h.p63jc1w6w88d)
    * [Initial v3 Design Proposal -- Detailed Design](https://docs.google.com/document/d/1oZR9b52z_EQkhit9A-ApFvz3tqsn9ckzvPyxKw1pBTo/edit)
 * [Dynamic Watch Design for OPA/Gatekeeper](https://docs.google.com/document/d/1Wi3LM3sG6Qgfzm--bWb6R0SEKCkQCCt-ene6cO62FlM/edit)
 * [Architecture Diagram](https://docs.google.com/document/d/1It-Mpz36ygqrElmh2hZ3DvDIqKYyKUZN6V4d7UTlEG8/edit#heading=h.rzuko1admjwd)
-* [Audit Design Doc](https://docs.google.com/document/d/1EnVOOaLZ_fWxo02ZmgnvTE2PtTRbyyhKjioPe-_In28/edit)
+* [Audit Design Doc](https://docs.google.com/document/d/1I4bE7EYErnIWy26oenH2-YI8hXsBOm7RFcxPr_FaRUA/edit)
 * [Dry-Run Design Doc](https://docs.google.com/document/d/17nJDJxjY_XHV8zrMNdOi2hFgfm6XKGJi0QyznsbhQ70/edit#heading=h.z0bjqzl81dpe)
 * [Constraint Framework Client Interface](https://docs.google.com/document/d/1NDOgu8F_yQqrxRRVTDiCXGXMsajA3Jtp-lwGrZsDFcI/edit#)
 * [Logging Design Doc](https://docs.google.com/document/d/1ap7AKOupNcR_42s8mkSh5FV9eteXTd4VCqelKst73VY/edit)
 * [Namespace Exclusion Design doc](https://docs.google.com/document/d/1yHuXFs_HQL5N9yT9QVi6AMyflWPtZS4Pg-uXczdqgZ8/edit)
 * [Metrics Design Issue](https://github.com/open-policy-agent/gatekeeper/issues/157#issuecomment-553015292)
 * [Gatekeeper v1beta1 CRD Deprecation](https://docs.google.com/document/d/12TD9vk79X3y0RgNxURamW4tQOyd6YjA6WrwDAqcplwg/edit#)
 * [Compiler Sharding Design](https://docs.google.com/document/d/1ibCxaI-7HyWyDjQNL4iDRMHnrauufIMJ1D6LwIKdlsI/edit)
+* [Template e2e Testing Design](https://docs.google.com/document/d/15nWc9TH97LF9o58CTVxYxFM9tYk8-seB5erIa2gouPo/edit)
+* [ByPod Status Design](https://docs.google.com/document/d/13xmVQuE9Q8CFDpL9pzpoAyH1nIzHndP0OfccXVShiPo/edit)
+* [Mutation Design - 4th Edition (current approach)](https://docs.google.com/document/d/1MdchNFz9guycX__QMGxpJviPaT_MZs8iXaAFqCvoXYQ/edit?ts=5f73fb77#
+)
+   * [Mutation Interfaces (for the current approach)](https://docs.google.com/document/d/1c5Z3g6Zsfmga7xod4--t6RrXamdAaMaqYzPNujtZb10/edit)
+   * [OPA Gatekeeper Mutation (alternate proposal)](https://docs.google.com/document/d/1LtNIxd-Y3oh0HPgPYdaVV7t2c6vBSwzYAFcTyxQYZjE/edit)
+   * [Mutation Revised Design Doc (June 2019)](https://docs.google.com/document/d/1G7WgZKx1Y3VOTUjrqn7DjDaZgSKCIZowILm_I6psrw0/edit#heading=h.mtvdjag5uj9)
+   * [Mutation Initial Design Doc (April 2019)](https://docs.google.com/document/d/1qTHwqoUX8AL2jodyWKB_2szrGDwhi14Ra_LlQ-ogtck/edit#heading=h.iu1ppjy7g7j)
+* [External Data](https://docs.google.com/document/d/1hPi86jdsCKg8puYT5_s_73mPGExUJeZfyKmvG-XWtPc/edit#)
+* [gator validate](https://docs.google.com/document/d/1B0hXDia8SExOkCVAEbPVHFJmnWeJgHziGvMxnzrENa0/edit)
 * [External Data TLS Support](https://docs.google.com/document/d/1GjV3WeC2bgQ3j37_mMpY9hr7YOAqzSJ6jDSu-DVrcmU/edit)
 
 ## Roadmap (in development)