doc(tree): move merge semantics doc to user-facing folder

[yann-achard-MS]

Description

Moves the merge semantics doc to user-facing folder.

[github-actions]

🔗 No broken links found! ✅

Your attention to detail is admirable.

linkcheck output

> fluidframework-docs@0.25.0 ci:linkcheck /home/runner/work/FluidFramework/FluidFramework/docs
> start-server-and-test ci:start 1313 linkcheck:full

1: starting server using command "npm run ci:start"
and when url "[ 'http://127.0.0.1:1313' ]" is responding with HTTP status code 200
running tests using command "npm run linkcheck:full"


> fluidframework-docs@0.25.0 ci:start
> http-server ./public --port 1313 --silent


> fluidframework-docs@0.25.0 linkcheck:full
> npm run linkcheck:fast -- --external


> fluidframework-docs@0.25.0 linkcheck:fast
> linkcheck http://localhost:1313 --skip-file skipped-urls.txt --external

Crawling...

Stats:
  447786 links
    3441 destination URLs
       2 URLs ignored
       0 warnings
       0 errors

[msfluid-bot]

Code Coverage Summary

No packages impacted by the change.

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Baseline commit: 7abf5cf
Baseline build: 304305
Happy Coding!!

Code coverage comparison check passed!!

[msfluid-bot]

⯅ @fluid-example/bundle-size-tests: +245 Bytes

Metric Name	Baseline Size	Compare Size	Size Diff
aqueduct.js	464.21 KB	464.24 KB	⯅ +35 Bytes
azureClient.js	562.45 KB	562.5 KB	⯅ +49 Bytes
connectionState.js	724 Bytes	724 Bytes	■ No change
containerRuntime.js	261.86 KB	261.87 KB	⯅ +14 Bytes
fluidFramework.js	424.82 KB	424.84 KB	⯅ +14 Bytes
loader.js	134.17 KB	134.19 KB	⯅ +14 Bytes
map.js	42.71 KB	42.71 KB	⯅ +7 Bytes
matrix.js	148.54 KB	148.55 KB	⯅ +7 Bytes
odspClient.js	528.3 KB	528.34 KB	⯅ +49 Bytes
odspDriver.js	97.84 KB	97.86 KB	⯅ +21 Bytes
odspPrefetchSnapshot.js	42.81 KB	42.83 KB	⯅ +14 Bytes
sharedString.js	164.76 KB	164.76 KB	⯅ +7 Bytes
sharedTree.js	415.28 KB	415.29 KB	⯅ +7 Bytes
Total Size	3.36 MB	3.36 MB	⯅ +245 Bytes

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Baseline commit: 7abf5cf

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