v2 readme updates

[skotl]

Correct the link to the v3 repo

Proposed change

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (which adds functionality to an existing integration)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the [development checklist][dev-checklist]
• The code compiles without warnings (code quality chek)
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

[codecov-commenter]

Codecov Report

Merging #1 (65d3d2b) into dev (ed01856) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev       #1      +/-   ##
==========================================
- Coverage   62.60%   62.57%   -0.04%     
==========================================
  Files         179      179              
  Lines        6667     6667              
  Branches      930      930              
==========================================
- Hits         4174     4172       -2     
- Misses       2157     2158       +1     
- Partials      336      337       +1     

Flag	Coverage Δ
unittests	62.57% <ø> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...rc/Daemon/NetDaemon.Daemon/Daemon/NetDaemonHost.cs	55.15% <0.00%> (-1.17%)	⬇️
...pp/NetDaemon.App/Common/Reactive/NetDaemonRxApp.cs	83.89% <0.00%> (+1.69%)	⬆️
...mon.HassClient/Internal/HomeAssistantConnection.cs	89.01% <0.00%> (+2.19%)	⬆️

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[coveralls]

Pull Request Test Coverage Report for Build 1669019532

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 5 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.02%) to 63.15%

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Files with Coverage Reduction	New Missed Lines	%
src/Daemon/NetDaemon.Daemon/Daemon/NetDaemonHost.cs	5	60.26%

Totals
Change from base Build 1668917773:	-0.02%
Covered Lines:	4505
Relevant Lines:	6666

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💛 - Coveralls