Beef up vmap docs and expose to master documentation

[zou3519]

Stack from ghstack:

• Beef up vmap docs and expose to master documentation #44825 Beef up vmap docs and expose to master documentation

Test Plan:

• build and view docs locally.

Differential Revision: D23742727

[zou3519]

Here's what it looks like:

[dr-ci]

💊 CI failures summary and remediations

As of commit 7416fc7 (more details on the Dr. CI page):

---

• 1/1 failures possibly* introduced in this PR
  • 1/1 non-CircleCI failure(s)

---

ci.pytorch.org: 1 failed

• Failed: pr/pytorch-linux-bionic-rocm3.7-py3.6

---

This comment was automatically generated by Dr. CI (expand for details).

Follow this link to opt-out of these comments for your Pull Requests.

Please report bugs/suggestions on the GitHub issue tracker or post in the (internal) Dr. CI Users group.

See how this bot performed.

This comment has been revised 26 times.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (gh/zou3519/307/base@80b9224). Click here to learn what that means.
The diff coverage is n/a.

@@                  Coverage Diff                   @@
##             gh/zou3519/307/base   #44825   +/-   ##
======================================================
  Coverage                       ?   67.86%           
======================================================
  Files                          ?      384           
  Lines                          ?    49949           
  Branches                       ?        0           
======================================================
  Hits                           ?    33896           
  Misses                         ?    16053           
  Partials                       ?        0           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 80b9224...7416fc7. Read the comment docs.

[facebook-github-bot]

@zou3519 merged this pull request in 6d31213.