Add component type attribute so that renderqueue can choose which com…

[krakenfuss]

…ponent type needs optimisation

PLEASE MAKE SURE YOU READ CONTRIBUTING GUIDELINES and CODE OF CONDUCT.

UNLESS IT IS A VERY SMALL CHANGE, CREATE AN ISSUE FIRST FOR DISCUSSION.
** DON'T FORGET TO ADD YOUR CHANGES TO CHANGELOG.md under
proper category **

i.e:

## master

### Features

- [#ISSUEID](https://github.com/trivago/melody/issues/000) Added coffee brewing feature

REMOVE THIS AND EDIT THE TEMPLATE BELOW

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Reference issue: #110

What changed in this PR:

Write the description and changes here...

[coveralls]

Pull Request Test Coverage Report for Build 628

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• 8 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.005%) to 89.527%

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Files with Coverage Reduction	New Missed Lines	%
packages/melody-idom/src/core.ts	8	92.0%

Totals
Change from base Build 481:	0.005%
Covered Lines:	2159
Relevant Lines:	2288

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💛 - Coveralls