Created ppc (markdown)

ppc.md

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+## About OpenPower
+
+- https://openpower.ic.unicamp.br
+
+[xet7](https://github.com/xet7), as maintainer of [Wekan](https://wekan.github.io), got access to ppc64le at
+at University of Campinas - Unicamp Minicloud. At Minicloud OpenStack, xet7 created Ubuntu 20.10 VM, and ported Wekan to ppc64le very similarly like previously for [s390x](https://github.com/wekan/wekan/wiki/s390x).
+
+## Download
+
+- wekan-VERSION-ppc64le.zip at https://releases.wekan.team/ppc64le/
+
+## Install
+
+Installing is similar like at https://github.com/wekan/wekan/wiki/Raspberry-Pi
+
+You can start it with start-wekan.sh from https://github.com/wekan/wekan or add SystemD service.
+
+Setup ROOT_URL like described at https://github.com/wekan/wekan/wiki/Settings
+
+At https://github.com/wekan/wekan/wiki is also info about Caddy/Nginx/Apache etc.
+
+Some related links also at https://github.com/wekan/wekan/wiki/Platforms
+
+## How this ppc64le bundle package was created
+
+1. Install Node.js
+2. scp wekan-VERSION.zip bundle to ppc64le server, and unzip it
+2. Clone and build Fibers, copy fibers to bundle, and zip bundle.
+```
+git clone https://github.com/laverdet/node-fibers
+cd node-fibers
+npm install
+node build.js
+cd ..
+cp -pR /home/ubuntu/node-fibers/bin/linux-ppc64-72-glibc bundle/programs/server/node_modules/fibers/bin/
+zip -r wekan-VERSION-ppc64le.zip bundle
+```