Improve bug reporting template
Improve bug reporting template

- Provide examples
- Link article on code block formatting
- Add "bug" label
- Make it a little more friendly
starkos/premake-core,premake/premake-core,dcourtois/premake-core,premake/premake-core,dcourtois/premake-core,starkos/premake-core,starkos/premake-core,starkos/premake-core,noresources/premake-core,noresources/premake-core,dcourtois/premake-core,noresources/premake-core,premake/premake-core,noresources/premake-core,dcourtois/premake-core,premake/premake-core,noresources/premake-core,dcourtois/premake-core,dcourtois/premake-core,premake/premake-core,dcourtois/premake-core,starkos/premake-core,noresources/premake-core,premake/premake-core,noresources/premake-core,premake/premake-core,starkos/premake-core,starkos/premake-core