feat: Endpoint for sending an outbound message

[KevLehman]

Proposed changes (including videos or screenshots)

Issue(s)

https://rocketchat.atlassian.net/browse/CTZ-183
https://rocketchat.atlassian.net/browse/CTZ-284

Steps to test or reproduce

Further comments

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[changeset-bot]

🦋 Changeset detected

Latest commit: dcf4312

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

This PR includes changesets to release 40 packages

Name	Type
@rocket.chat/meteor	Minor
@rocket.chat/apps-engine	Minor
@rocket.chat/apps	Patch
@rocket.chat/core-services	Patch
@rocket.chat/core-typings	Minor
@rocket.chat/fuselage-ui-kit	Major
@rocket.chat/rest-typings	Minor
@rocket.chat/ddp-streamer	Patch
@rocket.chat/presence	Patch
rocketchat-services	Patch
@rocket.chat/uikit-playground	Patch
@rocket.chat/api-client	Patch
@rocket.chat/cron	Patch
@rocket.chat/ddp-client	Patch
@rocket.chat/freeswitch	Patch
@rocket.chat/gazzodown	Major
@rocket.chat/http-router	Patch
@rocket.chat/livechat	Patch
@rocket.chat/model-typings	Patch
@rocket.chat/ui-avatar	Major
@rocket.chat/ui-client	Major
@rocket.chat/ui-contexts	Major
@rocket.chat/web-ui-registration	Major
@rocket.chat/account-service	Patch
@rocket.chat/authorization-service	Patch
@rocket.chat/omnichannel-transcript	Patch
@rocket.chat/presence-service	Patch
@rocket.chat/queue-worker	Patch
@rocket.chat/stream-hub-service	Patch
@rocket.chat/license	Patch
@rocket.chat/omnichannel-services	Patch
@rocket.chat/pdf-worker	Patch
@rocket.chat/models	Patch
@rocket.chat/network-broker	Patch
@rocket.chat/mock-providers	Patch
@rocket.chat/ui-video-conf	Major
@rocket.chat/ui-voip	Major
@rocket.chat/instance-status	Patch
@rocket.chat/omni-core	Patch
@rocket.chat/omni-core-ee	Patch

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[github-actions]

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🚀 View preview at https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-36553/
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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.65%. Comparing base (d2a60c3) to head (dcf4312).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #36553      +/-   ##
===========================================
- Coverage    65.66%   65.65%   -0.02%     
===========================================
  Files         3195     3195              
  Lines       106699   106692       -7     
  Branches     20316    20342      +26     
===========================================
- Hits         70068    70050      -18     
- Misses       33986    33996      +10     
- Partials      2645     2646       +1     

Flag	Coverage Δ
e2e	56.92% <ø> (-0.02%)	⬇️
unit	71.23% <ø> (-0.02%)	⬇️

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