Added more info about 32 bit builds into README.
Added more info about 32 bit builds into README.

damy/redis,Jonavin/redis,alpha8/redis,miminus/redis,kts12345/redis,liqiang199105/redis,ideaar/redis,jaambee/redis,ideaar/redis,shanegxxiao/redis,laurencee/redis,oaastest/redis,adamweixuan/redis,jacklee0810/redis,sidsen/redis,ideaar/redis,oaastest/redis,nandhanurrevanth/redis,DeNA/redis,shanegxxiao/redis,kolonse/redis,quangnguyen90/redis,kolonse/redis,damy/redis,adamweixuan/redis,enginekit/redis,hanmichael/redis,enginekit/redis,laurencee/redis,kolonse/redis,kts12345/redis,oaastest/redis,adamweixuan/redis,liqiang199105/redis,miminus/redis,laurencee/redis,DeNA/redis,enginekit/redis,liqiang199105/redis,laurencee/redis,Cybermaxs/redis,upsoft/redis,ScottKaiGu/redis,ScottKaiGu/redis,liqiang199105/redis,liqiang199105/redis,quangnguyen90/redis,enginekit/redis,ScottKaiGu/redis,hanmichael/redis,jacklee0810/redis,jqk6/redis,quangnguyen90/redis,sidsen/redis,janeasystems/redis,damy/redis,Jonavin/redis,Jonavin/redis,DeNA/redis,kts12345/redis,Cybermaxs/redis,sidsen/redis,upsoft/redis,upsoft/redis,kolonse/redis,hanmichael/redis,jqk6/redis,jqk6/redis,ScottKaiGu/redis,sidsen/redis,ScottKaiGu/redis,miminus/redis,jacklee0810/redis,jaambee/redis,jaambee/redis,upsoft/redis,janeasystems/redis,kts12345/redis,janeasystems/redis,adamweixuan/redis,adamweixuan/redis,miminus/redis,shanegxxiao/redis,Cybermaxs/redis,oaastest/redis,kts12345/redis,laurencee/redis,janeasystems/redis,ideaar/redis,Jonavin/redis,jqk6/redis,jacklee0810/redis,ideaar/redis,Jonavin/redis,sidsen/redis,kolonse/redis,jaambee/redis,alpha8/redis,Cybermaxs/redis,oaastest/redis,nandhanurrevanth/redis,quangnguyen90/redis,hanmichael/redis,shanegxxiao/redis,nandhanurrevanth/redis,alpha8/redis,upsoft/redis,damy/redis,enginekit/redis,jacklee0810/redis,janeasystems/redis,hanmichael/redis,nandhanurrevanth/redis,quangnguyen90/redis,alpha8/redis,nandhanurrevanth/redis,damy/redis,Cybermaxs/redis,shanegxxiao/redis,jqk6/redis,jaambee/redis,alpha8/redis,miminus/redis,sidsen/redis