feat(#158): add multilingual support

[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)

Description

• Added prefix support to the DruxtClient and DruxtStore for multilingual support
• Added langcode prop and lang computed prop to DruxtModule
• Added langcode prefix support to DruxtBlockRegion isVisible method
• Added langcode prefix support to DruxtBreadcrumb to prevent duplicate home entries
• Added langcode support to DruxtMenu
• Added langcode prefix support to DruxtRouter and added lagncode prefixed wildcard routing
• Added langcode prefixed API proxy entries
• All Module components updated for langcode support
• Resolves Add multilingual support #158

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]

🦋 Changeset detected

Latest commit: 6b76b23

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 10 packages

Name	Type
druxt	Minor
druxt-router	Minor
druxt-blocks	Minor
druxt-menu	Minor
druxt-entity	Minor
druxt-breadcrumb	Minor
druxt-site	Minor
druxt-views	Minor
druxt-schema	Patch
druxt-test-utils	Major

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[codecov]

Codecov Report

Merging #422 (6b76b23) into develop (5514fa3) will increase coverage by 0.26%.
The diff coverage is 97.91%.

@@             Coverage Diff             @@
##           develop     #422      +/-   ##
===========================================
+ Coverage    97.13%   97.39%   +0.26%     
===========================================
  Files           89       89              
  Lines         2965     3031      +66     
  Branches       663      693      +30     
===========================================
+ Hits          2880     2952      +72     
+ Misses          76       70       -6     
  Partials         9        9              

Impacted Files	Coverage Δ
packages/blocks/src/mixins/block.js	100.00% <ø> (ø)
packages/entity/src/components/DruxtField.vue	97.89% <ø> (ø)
packages/entity/src/mixins/entity.js	100.00% <ø> (ø)
packages/entity/src/nuxtModule.js	100.00% <ø> (ø)
...rc/components/blocks/DruxtBlockSystemMenuBlock.vue	100.00% <ø> (ø)
packages/menu/src/mixins/menu.js	88.88% <ø> (ø)
packages/router/src/mixins/router.js	88.88% <ø> (ø)
packages/site/src/components/DruxtSite.vue	100.00% <ø> (ø)
packages/site/src/mixins/site.js	100.00% <ø> (ø)
packages/site/src/nuxtModule.js	100.00% <ø> (ø)
... and 40 more

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[Decipher]

Huzzah, it's merged.