Merge 0.3.0 to main (#55)

* Add logging dependency (#32)

* Changing yamato host flavor to large (#33)

* Amanda/read chunks (#36)

* s.send to s.sendall

* Increase default timeout

* Timeout as argument on instantiation

* Update version number (#38)

* Laurie/topic list (#41)

* Updating Contribution Content (#44)

* Contributing guidelines

* Issue templates

* PR feedback

* Updated per later changes (#45)

* Adding PR template (#46)

* One persistent connection for all messages sent to Unity

* make UnityService accessible from ros_tcp_endpoint (#49)

* Don't keep retrying on success (#50)

* Resolve conflicts for merging dev to main

* Queue module was renamed in Python 3 (#53)

* Update package.xml (#54)

Co-authored-by: Philipp Rothenhäusler <phirot@kth.se>
Co-authored-by: Devin Miller (Unity) <mrpropellers@users.noreply.github.com>
Co-authored-by: Amanda <31416491+at669@users.noreply.github.com>
Co-authored-by: Hamid Younesy <hyounesy@users.noreply.github.com>
Co-authored-by: peifeng-unity <56408141+peifeng-unity@users.noreply.github.com>