updates basic-guidelines.md  

最後一部分不是很了解 

翻譯內容可能需要再討論
Update Best Practice section
Merge pull request #1 from asika32764/patch-1

Update Best Practice section
update basic-guidelines_spelling part

修正為鳥哥補充的內容
Merge pull request #7 from skylying/master

updates basic-guidelines.md  (issue #3)