Adding output binding for commercetools

[harrykimpel]

Description

Adding output binding for commercetools.

Issue reference

n/a

Please reference the issue this PR will close: #[issue number]

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation / Created issue in the https://github.com/dapr/docs/ repo: dapr/docs#[issue number]

[berndverst]

I assume this is a continuation of the work in PR -- #1224

[berndverst]

LGTM

Please complete the docs PR for this -- I opened a docs issue for you. dapr/docs#2351

I will merge this once the docs PR has been opened.

[harrykimpel]

@berndverst I added this already back then into v1.5 of the docs, see https://github.com/harrykimpel/docs/tree/v1.5/daprdocs/content/en/reference/components-reference/supported-bindings

[berndverst]

@harrykimpel my bad :) Fantastic, I'll merge this then!

[codecov]

Codecov Report

Merging #1652 (755d34d) into master (850e58d) will decrease coverage by 0.09%.
The diff coverage is 18.18%.

@@            Coverage Diff             @@
##           master    #1652      +/-   ##
==========================================
- Coverage   36.39%   36.29%   -0.10%     
==========================================
  Files         163      164       +1     
  Lines       15342    15419      +77     
==========================================
+ Hits         5583     5597      +14     
- Misses       9150     9207      +57     
- Partials      609      615       +6     

Impacted Files	Coverage Δ
bindings/commercetools/commercetools.go	18.18% <18.18%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7c0b7a0...755d34d. Read the comment docs.