major(semantic-release): auto-setup parent packages

[AVVS]

BREAKING CHANGE: adds postinstall script that adds following
configuration to package.json

"scripts": {
  "semantic-release": "semantic-release pre && npm publish && semantic-release post",
  "commit": "simple-commit-message"
},
"release": {
  "analyzeCommits": "simple-commit-message",
  "generateNotes": "github-post-release",
  "branch": "master",
  "verifyConditions": "@makeomatic/condition-semaphore"
},
"config": {
  "pre-git": {
    "commit-msg": "simple",
    "pre-commit": [],
    "pre-push": [],
    "post-commit": [],
    "post-checkout": [],
    "post-merge": []
  }
}

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@fff8c31). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master       #3   +/-   ##
=========================================
  Coverage          ?   45.28%           
=========================================
  Files             ?        1           
  Lines             ?      159           
  Branches          ?       23           
=========================================
  Hits              ?       72           
  Misses            ?       77           
  Partials          ?       10

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