feat: establish the component mechanism of the iot system

[LavenderQAQ]

What type of PR is this?

/kind feature
/sig iot

What this PR does / why we need it:

Build PlatformAdmin's component mechanism to allow users to deploy common edgex extensions by simply filling in the component name.

Which issue(s) this PR fixes:

Fixes #1611

[codecov]

Codecov Report

Merging #1650 (07c4661) into master (d15078f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1650   +/-   ##
=======================================
  Coverage   52.32%   52.32%           
=======================================
  Files         154      154           
  Lines       17637    17637           
=======================================
  Hits         9228     9228           
  Misses       7582     7582           
  Partials      827      827           

Flag	Coverage Δ
unittests	52.32% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

[LavenderQAQ]

This pr is done, but it needs to wait for #1647 to merge.

[LavenderQAQ]

/hold

[LavenderQAQ]

@wangxye @Rui-Gan Please review it for me. This pr currently includes the content of #1647 (because it has not been merged but I need its content), I will rebase it later, please ignore it when reviewing now.

[LavenderQAQ]

/assign @wangxye @Rui-Gan

[openyurt-bot]

@LavenderQAQ: GitHub didn't allow me to assign the following users: wangxye, Rui-Gan.

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In response to this:

/assign @wangxye @Rui-Gan

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[LavenderQAQ]

/unhold

[LavenderQAQ]

This pr is ready for review.

[Rui-Gan]

/assign

[Rui-Gan]

/lgtm

[openyurt-bot]

@Rui-Gan: changing LGTM is restricted to collaborators

In response to this:

/lgtm

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
4 Code Smells

No Coverage information
0.9% Duplication

[openyurt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: LavenderQAQ, rambohe-ch, Rui-Gan

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Needs approval from an approver in each of these files:

• OWNERS [rambohe-ch]

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[rambohe-ch]

/lgtm