Keva v1.0.0-rc1

• Config improvement #104
• Fix container name on docs #106
• Remove spin lock class #113
• Add Dockerfile for Mac M1 #114
• LCS command #116
• Fix Keva config, add --port argument #124
• SUBSTR command #117
• More STRING command #129
• Update command table #132
• Thanks @axblueblader @yampml @haphananhtuan @hiepndd for helping me on this RC release