chore(#307): add method examples

[Decipher]

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other / Docs

Description

• Added examples for createResource and updateResource

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly. (PR: #)
• I have added tests to cover my changes (if not applicable, please state why)
• All new and existing tests are passing.

Screenshots/Media:

[changeset-bot]

⚠️ No Changeset found

Latest commit: ba26605

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[codecov]

Codecov Report

Merging #331 (ba26605) into develop (c7b267a) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #331   +/-   ##
========================================
  Coverage    96.59%   96.59%           
========================================
  Files           89       89           
  Lines         2820     2820           
  Branches       594      594           
========================================
  Hits          2724     2724           
  Misses          85       85           
  Partials        11       11           

Impacted Files	Coverage Δ
packages/druxt/src/client.js	93.44% <ø> (ø)

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