added spinner to example
added spinner to example

Flowdalic/MemorizingTrustManager,ge0rg/MemorizingTrustManager,prembasumatary/MemorizingTrustManager,prive/MemorizingTrustManager,zhanggangbz/MemorizingTrustManager,tula-acespritech/MemorizingTrustManager,Aminbin/MemorizingTrustManager,vmlinz/MemorizingTrustManager,redsolution/MemorizingTrustManager