feat(compiler): rename import from pwc

[ChrisCindy]

To avoid name conflict, variables imported from pwc are renamed with "__" prefix:

import { reactive as __reactive, customElement as __customElement } from 'pwc';

[codecov-commenter]

Codecov Report

Merging #66 (eee3150) into main (9e2bc7d) will increase coverage by 0.33%.
The diff coverage is 100.00%.

❗ Current head eee3150 differs from pull request most recent head 5dd3adf. Consider uploading reports for the commit 5dd3adf to get more accurate results

@@            Coverage Diff             @@
##             main      #66      +/-   ##
==========================================
+ Coverage   85.23%   85.57%   +0.33%     
==========================================
  Files          41       41              
  Lines         806      804       -2     
  Branches      188      182       -6     
==========================================
+ Hits          687      688       +1     
+ Misses        119      116       -3     

Impacted Files	Coverage Δ
...ages/pwc-compiler/src/transform/autoAddAccessor.ts	100.00% <100.00%> (ø)
...ler/src/transform/autoAddCustomElementDecorator.ts	100.00% <100.00%> (ø)
...compiler/src/transform/autoAddReactiveDecorator.ts	98.21% <100.00%> (+0.03%)	⬆️
.../pwc-compiler/src/transform/autoInjectImportPWC.ts	100.00% <100.00%> (+10.00%)	⬆️
packages/pwc-compiler/src/transform/index.ts	100.00% <100.00%> (ø)

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