Added a period in step 2 (Quick start) for good alignment of Readme file.

[Krishnamohan-Yerrabilli]

Fixes #

• Pull request represents a single change (i.e. not fixing disparate/unrelated things in a single PR).
• Title summarizes what is changing.
• Has a news entry file (remember to thank yourself!).
• Appropriate comments and documentation strings in the code.
• Has sufficient logging.
• Has telemetry for feature-requests.
• Unit tests & system/integration tests are added/updated.
• Test plan is updated as appropriate.
• package-lock.json has been regenerated by running npm install (if dependencies have changed).

[codecov-commenter]

Codecov Report

Merging #10587 (6dd7433) into main (5ba3946) will decrease coverage by 0%.
The diff coverage is n/a.

@@          Coverage Diff           @@
##            main   #10587   +/-   ##
======================================
- Coverage     71%      71%   -1%     
======================================
  Files        472      472           
  Lines      28011    28011           
  Branches    4697     4697           
======================================
- Hits       19961    19946   -15     
- Misses      6182     6191    +9     
- Partials    1868     1874    +6     

Impacted Files	Coverage Δ
src/notebooks/outputs/tracebackFormatter.ts	93% <0%> (-7%)	⬇️
...ooks/languages/emptyNotebookCellLanguageService.ts	77% <0%> (-5%)	⬇️
.../kernels/raw/launcher/kernelEnvVarsService.node.ts	68% <0%> (-3%)	⬇️
src/kernels/variables/debuggerVariables.ts	69% <0%> (-3%)	⬇️
...form/common/process/pythonExecutionFactory.node.ts	73% <0%> (-3%)	⬇️
src/standalone/api/kernelApi.ts	72% <0%> (-2%)	⬇️
src/kernels/variables/kernelVariables.ts	56% <0%> (-2%)	⬇️
src/platform/webviews/webviewHost.ts	80% <0%> (-1%)	⬇️
src/kernels/kernel.base.ts	82% <0%> (-1%)	⬇️
src/platform/common/utils/localize.ts	76% <0%> (-1%)	⬇️
... and 4 more