feat: new component BottomNavigation

[zhenyuWang]

No description provided.

[github-actions]

[codecov-commenter]

Codecov Report

Merging #356 (cd8d039) into feat/bottom-navigation (0032b85) will increase coverage by 0.03%.
The diff coverage is 98.07%.

@@                    Coverage Diff                     @@
##           feat/bottom-navigation     #356      +/-   ##
==========================================================
+ Coverage                   96.37%   96.41%   +0.03%     
==========================================================
  Files                         209      217       +8     
  Lines                        4885     4989     +104     
  Branches                     1042     1057      +15     
==========================================================
+ Hits                         4708     4810     +102     
- Misses                        177      179       +2     

Impacted Files	Coverage Δ
packages/varlet-ui/src/back-top/BackTop.vue	91.17% <ø> (ø)
...ages/varlet-ui/src/bottom-navigation-item/index.ts	66.66% <66.66%> (ø)
...es/varlet-ui/src/bottom-navigation-item/provide.ts	83.33% <83.33%> (ø)
...rc/bottom-navigation-item/BottomNavigationItem.vue	100.00% <100.00%> (ø)
...ages/varlet-ui/src/bottom-navigation-item/props.ts	100.00% <100.00%> (ø)
...rlet-ui/src/bottom-navigation/BottomNavigation.vue	100.00% <100.00%> (ø)
packages/varlet-ui/src/bottom-navigation/index.ts	100.00% <100.00%> (ø)
packages/varlet-ui/src/bottom-navigation/props.ts	100.00% <100.00%> (ø)
...ackages/varlet-ui/src/bottom-navigation/provide.ts	100.00% <100.00%> (ø)

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