Backport more tools for work flavour

php_tools/pm2/README.md

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+# PM2
+
+PM2 is a production process manager for Node.js applications with a built-in load balancer. It allows you to keep applications alive forever, to reload them without downtime and to facilitate common system admin tasks.
+
+| Platform | Url                                                              |
+|----------|------------------------------------------------------------------|
+| NPM      | https://www.npmjs.com/package/pm2                                |
+| GitHub   | https://github.com/Unitech/pm2                                   |
+| Website  | https://pm2.keymetrics.io/                                       |

php_tools/pm2/install.yml

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+---
+
+check: pm2 --no-daemon --version | tail -1 | grep -E '[0-9][.0-9]+' || (pm2 --no-daemon --version; false)
+
+all:
+  type: npm
+  package: pm2
+  binary: pm2
+  version:
+  build_dep: []
+  run_dep: []
+  pre:
+  post:

php_tools/pm2/options.yml

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+---
+
+# The name of the module
+name: pm2
+
+# Exclude module build/installation for the following PHP versions
+exclude: []
+
+# In order for this tool to build/install correctly,
+# the following tools must have been installed first.
+depends: []