doc: add minutes for 2021-03-16 meeting

closes: nodejs#2562

Author: Ash Cripps

doc/meetings/build-wg-meeting-2021-03-16.md

@@ -0,0 +1,60 @@
+# Node.js  Build WorkGroup Meeting 2021-03-16
+
+## Links
+
+* **Recording**:  
+* **GitHub Issue**: https://github.com/nodejs/build/issues/2562
+
+## Present
+
+* Michael Dawson (@mhdawson)
+* Rod Vagg (@rvagg)
+* Richard Lau (@richardlau)
+* Ash Cripps (@AshCripps
+
+ ## Agenda
+
+## Announcements
+ 
+*Extracted from **build-agenda** labelled issues and pull requests from the **nodejs org** prior to the meeting.
+
+### nodejs/build
+
+* Interest in establishing a "Build Helper" role [#2550](https://github.com/nodejs/build/issues/2550)
+  * some discussion, no objections
+  * next step is to open issue in core report to see if there is interest
+  * how do we track perms
+
+* Apple silicon builds [#2474](https://github.com/nodejs/build/issues/2474)
+  * have new M1s from Mac Stadium - big thank you for providing that
+  * Cross compiling from arm to intel as machines are faster
+  * Providing separate tars in release should be lowest hanging fruit
+
+* Install Python 3 everywhere in CI [#2507](https://github.com/nodejs/build/issues/2507)
+  * PR open on node core for dropping support for Python 2
+  * A lot of CI jobs force environment to be Python 2
+
+* Remove explicit setting of PYTHON in CI jobs [#2576](https://github.com/nodejs/build/issues/2576)
+  * quick update from Richard
+
+* Compiler platforms
+  * Ash, has updated compilers on most
+  * smartos is last one that needs the update
+  * arm, Rod will take a look at that one.  cc selector already for choosing the right toolchain per
+    Version
+  * armv7 - Raspberry pi os is still armv7 even though some hardware (Raspberry pi 4) support
+    Arvm8
+
+* Download metrics
+  * Summaries working, now in JSON
+  * Ash will create a new folder on the webserver to serve up the data for people to use
+
+
+
+## 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.