doc: add minutes for meeting July 31 (#322)

Author: mhdawson

wg-meetings/2019-07-31.md

@@ -0,0 +1,56 @@
+# Node.js Foundation Diagnostics WorkGroup Meeting 2019-07-31
+
+## Links
+
+* **Recording**:  https://www.youtube.com/watch?v=lN9yxPlzkwQ
+* **GitHub Issue**: https://github.com/nodejs/diagnostics/issues/321
+
+## Present
+
+* Michael Dawson (@mhdawson)
+* Christopher Hiller (@boneskull)
+* Matheus Marchini (@mmarchini)
+ 
+## Agenda
+
+## Announcements
+ 
+*Extracted from **diag-agenda** labelled issues and pull requests from the **nodejs org** prior to the meeting.
+
+### nodejs/node
+
+* Async Hooks do not recognize execution contexts created when processing thenables [#22360](https://github.com/nodejs/node/issues/22360)
+  * No update
+
+### nodejs/diagnostics
+
+* proposal: --inspect-store flag [#298](https://github.com/nodejs/diagnostics/issues/298)
+  * Waiting to get Aleksey to a meeting.
+  * @mmarchini will talk with Aleksey to see if he can attend the next meeting
+
+* Proposal to drive Diagnostics WG initiatives through user journeys [#295](https://github.com/nodejs/diagnostics/issues/295)
+  * slower over the summer, Gireesh pulled temporarily to other work
+
+* Diagnostics "Best Practices" Guide? [#211](https://github.com/nodejs/diagnostics/issues/211)
+* \[async_hooks\] stable API - tracking issue
+ [#124](https://github.com/nodejs/diagnostics/issues/124)
+  * slower over the summer, Gireesh pulled temporarily to other work
+
+* Perfetto in Node.js [#277](https://github.com/nodejs/diagnostics/issues/277)
+  * Kelvin is waiting on some changes on the v8/perfetto front.
+
+* Updated demo on Diagnostic report tool
+  * Chris Hiller did nice demo
+  * Almost ready as MVP. Need to do lots of doc
+  * Hope to release in next month or 2.
+  * Then will look at guided usage.
+  * In the mean time if you want to try it out, ask Chris for a copy.
+
+## Q&A, Other
+
+## Upcoming Meetings
+
+* **Node.js Foundation Calendar**: https://nodejs.org/calendar
+
+Click `+GoogleCalendar` at the bottom right to add to your own Google calendar.
+