Add tclk session template

[texasaggie97-zz]

• This contribution adheres to CONTRIBUTING.md.
• I've updated CHANGELOG.md if applicable.
• I've added tests applicable for this pull request

What does this Pull Request accomplish?

• Add nitclk session template (based on [RFC] Add NI-TClk support #1005)
• Build session.py

List issues fixed by this Pull Request below, if any.

What testing has been done?

[codecov]

Codecov Report

Merging #1027 into master will decrease coverage by 1.26%.
The diff coverage is 92.45%.

@@            Coverage Diff             @@
##           master    #1027      +/-   ##
==========================================
- Coverage   91.33%   90.07%   -1.27%     
==========================================
  Files          23       23              
  Lines        3590     3677      +87     
==========================================
+ Hits         3279     3312      +33     
- Misses        311      365      +54

Impacted Files	Coverage Δ
generated/nifake/session.py	97.41% <100%> (ø)	⬆️
generated/nimodinst/session.py	95.95% <100%> (ø)	⬆️
build/helper/metadata_add_all.py	79.23% <50%> (ø)	⬆️
build/helper/codegen_helper.py	82.6% <88.33%> (-9.28%)	⬇️

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[codecov]

Codecov Report

Merging #1027 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1027   +/-   ##
=======================================
  Coverage   89.77%   89.77%           
=======================================
  Files          23       23           
  Lines        3832     3832           
=======================================
  Hits         3440     3440           
  Misses        392      392

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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