Git_Basics.rst: Rename 'coala/coala-bears'
Git_Basics.rst: Rename 'coala/coala-bears'

Closes #4095

nemaniarjun/coala,SanketDG/coala,jayvdb/coala,aptrishu/coala,coala/coala,nemaniarjun/coala,coala/coala,coala-analyzer/coala,nemaniarjun/coala,CruiseDevice/coala,karansingh1559/coala,shreyans800755/coala,aptrishu/coala,Nosferatul/coala,karansingh1559/coala,Nosferatul/coala,coala-analyzer/coala,CruiseDevice/coala,jayvdb/coala,coala/coala,kartikeys98/coala,rimacone/testing2,CruiseDevice/coala,Nosferatul/coala,rimacone/testing2,SanketDG/coala,shreyans800755/coala,rimacone/testing2,jayvdb/coala,karansingh1559/coala,shreyans800755/coala,coala-analyzer/coala,kartikeys98/coala,aptrishu/coala,SanketDG/coala,kartikeys98/coala