feat: enable Codacy configuration as code support and public npm package publishing

[nathanklick]

Description

This pull request changes the following:

• Updates the package.json configuration to allow public package publishing.
• Renames the .eslintrc file to .eslintrc.json to support Codacy.
• Reverts the E2E url for example.json to use the main branch.

Related Issues

• Closes Update eslint, remark, and other configuration to work with Codacy #240
• Closes Revert URL used in e2e tests to use the main branch file #272
• Closes Update package configuration to allow publication to the NPM registries #274

[github-actions]

Unit Test Results

35 tests  ±0   35 ✅ ±0   28m 29s ⏱️ + 1m 8s
21 suites ±0    0 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit fc3a52e. ± Comparison against base commit 46abfcf.

[github-actions]

E2E Test Results

4 tests  ±0   4 ✅ ±0   51s ⏱️ -1s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit fc3a52e. ± Comparison against base commit 46abfcf.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.00% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (46abfcf)	1636	1085	66.32%
Head commit (fc3a52e)	1636 (+0)	1085 (+0)	66.32% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#275)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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_{You may notice some variations in coverage metrics with the latest Coverage engine update. For more details, visit the documentation}

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.09%. Comparing base (46abfcf) to head (fc3a52e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #275   +/-   ##
=======================================
  Coverage   66.09%   66.09%           
=======================================
  Files          60       60           
  Lines        1879     1879           
  Branches      282      281    -1     
=======================================
  Hits         1242     1242           
+ Misses        636      602   -34     
- Partials        1       35   +34     

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[swirlds-automation]

🎉 This PR is included in version 0.1.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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