docs: Add attribute to Bear development doc
docs: Add attribute to Bear development doc

This commit adds the SEE_MORE attribute to the Writing_Linter_Bear
section in the doc with a concrete example.

Closes https://github.com/coala/coala/issues/4138

netman92/coala,damngamerz/coala,Nosferatul/coala,rimacone/testing2,yashLadha/coala,Asnelchristian/coala,coala/coala,SanketDG/coala,aptrishu/coala,RJ722/coala,Nosferatul/coala,RJ722/coala,refeed/coala,Asnelchristian/coala,netman92/coala,CruiseDevice/coala,aptrishu/coala,yashLadha/coala,kartikeys98/coala,rimacone/testing2,RJ722/coala,nemaniarjun/coala,rimacone/testing2,coala/coala,arjunsinghy96/coala,MariosPanag/coala,MariosPanag/coala,damngamerz/coala,CruiseDevice/coala,Balaji2198/coala,refeed/coala,kartikeys98/coala,incorrectusername/coala,SanketDG/coala,shreyans800755/coala,karansingh1559/coala,Asalle/coala,Asalle/coala,jayvdb/coala,Balaji2198/coala,coala-analyzer/coala,refeed/coala,MariosPanag/coala,damngamerz/coala,incorrectusername/coala,aptrishu/coala,shreyans800755/coala,arjunsinghy96/coala,coala/coala,kartikeys98/coala,coala-analyzer/coala,nemaniarjun/coala,yashLadha/coala,jayvdb/coala,karansingh1559/coala,karansingh1559/coala,Balaji2198/coala,netman92/coala,Nosferatul/coala,Asnelchristian/coala,Asalle/coala,arjunsinghy96/coala,jayvdb/coala,incorrectusername/coala,coala-analyzer/coala,nemaniarjun/coala,SanketDG/coala,shreyans800755/coala,CruiseDevice/coala