Add template files for header

[nichtsfrei]

What:

Add templates for .h files

Why:
To update licenses within header

How:
Go to a c project with header, remove the license run pontos-update-header -f $headerpath

Checklist:

• Tests
• CHANGELOG Entry
• Documentation

[codecov]

Codecov Report

Merging #85 (8b664f8) into master (2de505b) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #85   +/-   ##
=======================================
  Coverage   94.14%   94.14%           
=======================================
  Files          29       29           
  Lines        1502     1502           
=======================================
  Hits         1414     1414           
  Misses         88       88           

Impacted Files	Coverage Δ
pontos/updateheader/updateheader.py	98.21% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2de505b...8b664f8. Read the comment docs.

[bjoernricks]

Nice