add static resources in sales-force and used in lightning componenet

Step 1-Login with sales-force and goto Setup and click it.

Step 2-Goto Quick Search box and type static resources 

Step 3-Click on new button After that fill information like as name,description etc. 

Step 4-Click on file and choose resource file.

Step 5-Click save.

Above step store static resource.

Use it in lightning component-

test.cmp.

<component>

<lntg:reuire scripts="{Resource.resourcename}" afterSccriptsLoaded="{!c.methodname}"/> 

</component>

Above way we can add static resource in lightning component