iox-#2 Add git hooks

[elBoberido]

Pre-Review Checklist for the PR Author

1. [x] Code follows the Rust coding style and is formatted with rustfmt
2. [x] Branch follows the naming format (iox-123-this-is-a-branch)
3. [x] Commits messages are according to this guideline
   • [x] Commit messages have the issue ID (iox-#42 commit text)
   • [x] Commit author matches Eclipse Contributor Agreement (and ECA is signed)
4. [x] Update the PR title
   • Follow the same conventions as for commit messages
   • Link to the relevant issue
5. [x] Relevant issues are linked
6. [x] Add sensible notes for the reviewer
7. [x] All checks have passed (except task-list-completed)
8. [x] Assign PR to reviewer

Notes for Reviewer

This PR adds some basic git-hooks

• add issue number to the commit message
• check for trailing whitespaces
• check for style violations with cargo fmt

Checklist for the PR Reviewer

• [x] Commits are properly organized and messages are according to the guideline
• [x] Code according to our coding style and naming conventions
• [x] PR title describes the changes

Post-review Checklist for the PR Author

1. [x] All open points are addressed and tracked via issues

References

• Closes #2

[codecov-commenter]

Codecov Report

Merging #72 (d2af8e5) into master (2559c28) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #72   +/-   ##
=======================================
  Coverage   49.83%   49.83%           
=======================================
  Files          20       20           
  Lines        1202     1202           
=======================================
  Hits          599      599           
  Misses        603      603