(react-switch) - Adding MIGRATION.md

[czearing]

Pull request checklist

• Addresses an existing issue: Switch Convergence #19409
• Include a change request file using $ yarn change

Description of changes

Adding a MIGRATION.md file to the converged Switch component and fixing a typo in the react-slider MIGRATION.md file.

[fabricteam]

📊 Bundle size report

Unchanged fixtures

Package & Exports	Size (minified/GZIP)
react-slider Slider	30.481 kB 9.681 kB
react-switch Switch	18.013 kB 6.167 kB

_{🤖 This report was generated against 2c980c60e3c332f678cc4a74c0e3051756191bac}

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit f4952f6:

Sandbox	Source
Fluent UI React Starter	Configuration

[size-auditor]

Asset size changes

Size Auditor did not detect a change in bundle size for any component!

Baseline commit: 2c980c60e3c332f678cc4a74c0e3051756191bac (build)

[fabricteam]

Perf Analysis (@fluentui/react)

No significant results to display.

All results

Scenario	Render type	Master Ticks	PR Ticks	Iterations	Status
Avatar	mount	889	911	5000
BaseButton	mount	897	876	5000
Breadcrumb	mount	2578	2617	1000
ButtonNext	mount	428	433	5000
Checkbox	mount	1474	1502	5000
CheckboxBase	mount	1268	1281	5000
ChoiceGroup	mount	4601	4711	5000
ComboBox	mount	984	976	1000
CommandBar	mount	10175	10152	1000
ContextualMenu	mount	6497	6535	1000
DefaultButton	mount	1085	1138	5000
DetailsRow	mount	3733	3732	5000
DetailsRowFast	mount	3798	3790	5000
DetailsRowNoStyles	mount	3531	3600	5000
Dialog	mount	2430	2451	1000
DocumentCardTitle	mount	137	150	1000
Dropdown	mount	3279	3270	5000
FluentProviderNext	mount	7495	7580	5000
FluentProviderWithTheme	mount	348	350	10
FluentProviderWithTheme	virtual-rerender	93	94	10
FluentProviderWithTheme	virtual-rerender-with-unmount	486	455	10
FocusTrapZone	mount	1763	1828	5000
FocusZone	mount	1814	1825	5000
IconButton	mount	1895	1692	5000
Label	mount	337	338	5000
Layer	mount	2964	3067	5000
Link	mount	466	440	5000
MakeStyles	mount	1807	1807	50000
MenuButton	mount	1462	1458	5000
MessageBar	mount	1998	2058	5000
Nav	mount	3215	3320	1000
OverflowSet	mount	1132	1118	5000
Panel	mount	2393	2398	1000
Persona	mount	805	850	1000
Pivot	mount	1427	1391	1000
PrimaryButton	mount	1261	1281	5000
Rating	mount	7597	7676	5000
SearchBox	mount	1324	1331	5000
Shimmer	mount	2495	2519	5000
Slider	mount	1912	1973	5000
SpinButton	mount	4994	5009	5000
Spinner	mount	416	446	5000
SplitButton	mount	3095	3048	5000
Stack	mount	484	477	5000
StackWithIntrinsicChildren	mount	1528	1568	5000
StackWithTextChildren	mount	4424	4380	5000
SwatchColorPicker	mount	10129	10176	5000
Tabs	mount	1408	1397	1000
TagPicker	mount	2610	2595	5000
TeachingBubble	mount	13316	13229	5000
Text	mount	406	417	5000
TextField	mount	1364	1354	5000
ThemeProvider	mount	1144	1178	5000
ThemeProvider	virtual-rerender	605	569	5000
ThemeProvider	virtual-rerender-with-unmount	1808	1851	5000
Toggle	mount	796	772	5000
buttonNative	mount	117	115	5000

Perf Analysis (@fluentui/react-northstar)

⚠️ 1 potential perf regressions detected

Potential regressions comparing to master

Scenario	Current PR Ticks	Baseline Ticks	Ratio	Regression Analysis
AlertMinimalPerf.default	265	256	1.04:1	analysis

Perf tests with no regressions

Scenario	Current PR Ticks	Baseline Ticks	Ratio
GridMinimalPerf.default	341	316	1.08:1
RefMinimalPerf.default	243	226	1.08:1
ButtonMinimalPerf.default	163	153	1.07:1
DividerMinimalPerf.default	359	337	1.07:1
FlexMinimalPerf.default	298	279	1.07:1
ImageMinimalPerf.default	370	345	1.07:1
IconMinimalPerf.default	603	564	1.07:1
FormMinimalPerf.default	399	380	1.05:1
SegmentMinimalPerf.default	348	330	1.05:1
AvatarMinimalPerf.default	186	179	1.04:1
RadioGroupMinimalPerf.default	441	425	1.04:1
AccordionMinimalPerf.default	147	143	1.03:1
ChatWithPopoverPerf.default	363	352	1.03:1
CheckboxMinimalPerf.default	2803	2717	1.03:1
LabelMinimalPerf.default	390	379	1.03:1
LayoutMinimalPerf.default	349	339	1.03:1
ProviderMinimalPerf.default	985	957	1.03:1
ToolbarMinimalPerf.default	923	893	1.03:1
BoxMinimalPerf.default	334	328	1.02:1
DropdownManyItemsPerf.default	656	644	1.02:1
HeaderSlotsPerf.default	740	722	1.02:1
MenuMinimalPerf.default	842	824	1.02:1
ProviderMergeThemesPerf.default	1664	1632	1.02:1
SliderMinimalPerf.default	1589	1564	1.02:1
SplitButtonMinimalPerf.default	4174	4098	1.02:1
StatusMinimalPerf.default	664	654	1.02:1
TreeWith60ListItems.default	169	166	1.02:1
ButtonOverridesMissPerf.default	1679	1666	1.01:1
ChatMinimalPerf.default	658	652	1.01:1
ListMinimalPerf.default	499	494	1.01:1
AttachmentSlotsPerf.default	1080	1077	1:1
CardMinimalPerf.default	524	523	1:1
DatepickerMinimalPerf.default	5279	5287	1:1
EmbedMinimalPerf.default	4121	4133	1:1
ListNestedPerf.default	560	559	1:1
MenuButtonMinimalPerf.default	1588	1590	1:1
TableMinimalPerf.default	390	390	1:1
CustomToolbarPrototype.default	3813	3828	1:1
AnimationMinimalPerf.default	399	404	0.99:1
AttachmentMinimalPerf.default	145	147	0.99:1
CarouselMinimalPerf.default	449	453	0.99:1
ChatDuplicateMessagesPerf.default	288	292	0.99:1
DialogMinimalPerf.default	734	739	0.99:1
DropdownMinimalPerf.default	3067	3095	0.99:1
InputMinimalPerf.default	1241	1249	0.99:1
RosterPerf.default	1150	1163	0.99:1
TableManyItemsPerf.default	1897	1911	0.99:1
TooltipMinimalPerf.default	1003	1015	0.99:1
ButtonSlotsPerf.default	560	570	0.98:1
PopupMinimalPerf.default	585	599	0.98:1
SkeletonMinimalPerf.default	342	350	0.98:1
TreeMinimalPerf.default	761	780	0.98:1
ItemLayoutMinimalPerf.default	1188	1224	0.97:1
ListCommonPerf.default	592	612	0.97:1
PortalMinimalPerf.default	166	172	0.97:1
TextMinimalPerf.default	321	331	0.97:1
ListWith60ListItems.default	601	628	0.96:1
VideoMinimalPerf.default	608	632	0.96:1
TextAreaMinimalPerf.default	476	503	0.95:1
LoaderMinimalPerf.default	651	698	0.93:1
ReactionMinimalPerf.default	370	403	0.92:1
HeaderMinimalPerf.default	338	372	0.91:1