Update README.md (#10927)
Update README.md (#10927)

* Update README.md

Expanded and added a bit more clarity on the installation instruction for CMake on Linux.

* Update README.md

Reverted wording on the CMake description.  Added the Linux CMake instructions under the macOS instructions and reworded the Linux instructions to read like the macOS ones.

* Update README.md

Removed redundant text and applied text wrapping.

lorentey/swift,nathawes/swift,natecook1000/swift,xedin/swift,gribozavr/swift,practicalswift/swift,roambotics/swift,austinzheng/swift,practicalswift/swift,jopamer/swift,JGiola/swift,ahoppen/swift,atrick/swift,karwa/swift,glessard/swift,milseman/swift,natecook1000/swift,lorentey/swift,djwbrown/swift,amraboelela/swift,lorentey/swift,danielmartin/swift,allevato/swift,xwu/swift,devincoughlin/swift,xedin/swift,apple/swift,natecook1000/swift,jmgc/swift,swiftix/swift,frootloops/swift,natecook1000/swift,practicalswift/swift,uasys/swift,aschwaighofer/swift,sschiau/swift,OscarSwanros/swift,shajrawi/swift,shahmishal/swift,xedin/swift,deyton/swift,brentdax/swift,allevato/swift,ahoppen/swift,hooman/swift,amraboelela/swift,parkera/swift,djwbrown/swift,harlanhaskins/swift,allevato/swift,gregomni/swift,xwu/swift,frootloops/swift,felix91gr/swift,tjw/swift,apple/swift,tkremenek/swift,huonw/swift,JGiola/swift,amraboelela/swift,tjw/swift,shahmishal/swift,huonw/swift,allevato/swift,harlanhaskins/swift,stephentyrone/swift,parkera/swift,gribozavr/swift,shajrawi/swift,alblue/swift,danielmartin/swift,karwa/swift,swiftix/swift,sschiau/swift,uasys/swift,roambotics/swift,apple/swift,tjw/swift,airspeedswift/swift,tkremenek/swift,ahoppen/swift,zisko/swift,alblue/swift,CodaFi/swift,lorentey/swift,amraboelela/swift,return/swift,atrick/swift,nathawes/swift,huonw/swift,rudkx/swift,felix91gr/swift,OscarSwanros/swift,austinzheng/swift,zisko/swift,airspeedswift/swift,atrick/swift,tjw/swift,xwu/swift,devincoughlin/swift,stephentyrone/swift,aschwaighofer/swift,stephentyrone/swift,jckarter/swift,zisko/swift,return/swift,return/swift,deyton/swift,CodaFi/swift,jopamer/swift,allevato/swift,gregomni/swift,zisko/swift,danielmartin/swift,JGiola/swift,airspeedswift/swift,atrick/swift,brentdax/swift,shahmishal/swift,glessard/swift,austinzheng/swift,CodaFi/swift,huonw/swift,jckarter/swift,djwbrown/swift,shahmishal/swift,danielmartin/swift,harlanhaskins/swift,parkera/swift,atrick/swift,jopamer/swift,jmgc/swift,return/swift,nathawes/swift,aschwaighofer/swift,lorentey/swift,benlangmuir/swift,aschwaighofer/swift,OscarSwanros/swift,frootloops/swift,amraboelela/swift,karwa/swift,rudkx/swift,practicalswift/swift,JGiola/swift,karwa/swift,roambotics/swift,stephentyrone/swift,xedin/swift,swiftix/swift,alblue/swift,sschiau/swift,benlangmuir/swift,deyton/swift,shahmishal/swift,practicalswift/swift,milseman/swift,amraboelela/swift,brentdax/swift,swiftix/swift,xwu/swift,karwa/swift,atrick/swift,karwa/swift,gribozavr/swift,hooman/swift,tkremenek/swift,shahmishal/swift,tjw/swift,swiftix/swift,zisko/swift,parkera/swift,harlanhaskins/swift,lorentey/swift,harlanhaskins/swift,brentdax/swift,rudkx/swift,roambotics/swift,roambotics/swift,parkera/swift,allevato/swift,felix91gr/swift,apple/swift,stephentyrone/swift,harlanhaskins/swift,hooman/swift,lorentey/swift,aschwaighofer/swift,gribozavr/swift,xedin/swift,apple/swift,xedin/swift,gribozavr/swift,practicalswift/swift,uasys/swift,austinzheng/swift,aschwaighofer/swift,natecook1000/swift,tkremenek/swift,milseman/swift,hooman/swift,felix91gr/swift,CodaFi/swift,frootloops/swift,gregomni/swift,djwbrown/swift,swiftix/swift,nathawes/swift,allevato/swift,gregomni/swift,airspeedswift/swift,huonw/swift,milseman/swift,CodaFi/swift,aschwaighofer/swift,jckarter/swift,jmgc/swift,djwbrown/swift,return/swift,shajrawi/swift,rudkx/swift,JGiola/swift,gribozavr/swift,OscarSwanros/swift,parkera/swift,OscarSwanros/swift,uasys/swift,devincoughlin/swift,xwu/swift,swiftix/swift,shajrawi/swift,natecook1000/swift,practicalswift/swift,alblue/swift,felix91gr/swift,jckarter/swift,ahoppen/swift,deyton/swift,frootloops/swift,rudkx/swift,xedin/swift,djwbrown/swift,apple/swift,devincoughlin/swift,airspeedswift/swift,amraboelela/swift,tkremenek/swift,nathawes/swift,jopamer/swift,shahmishal/swift,airspeedswift/swift,brentdax/swift,milseman/swift,ahoppen/swift,jopamer/swift,felix91gr/swift,danielmartin/swift,danielmartin/swift,jckarter/swift,brentdax/swift,sschiau/swift,tjw/swift,uasys/swift,uasys/swift,tjw/swift,devincoughlin/swift,glessard/swift,ahoppen/swift,shajrawi/swift,shajrawi/swift,milseman/swift,gregomni/swift,austinzheng/swift,glessard/swift,austinzheng/swift,jmgc/swift,tkremenek/swift,glessard/swift,zisko/swift,alblue/swift,shajrawi/swift,xedin/swift,frootloops/swift,djwbrown/swift,deyton/swift,practicalswift/swift,huonw/swift,stephentyrone/swift,alblue/swift,hooman/swift,OscarSwanros/swift,gribozavr/swift,lorentey/swift,sschiau/swift,deyton/swift,xwu/swift,return/swift,shajrawi/swift,harlanhaskins/swift,sschiau/swift,jmgc/swift,felix91gr/swift,frootloops/swift,hooman/swift,gribozavr/swift,parkera/swift,danielmartin/swift,jopamer/swift,sschiau/swift,brentdax/swift,alblue/swift,stephentyrone/swift,airspeedswift/swift,milseman/swift,rudkx/swift,jckarter/swift,natecook1000/swift,OscarSwanros/swift,devincoughlin/swift,roambotics/swift,benlangmuir/swift,uasys/swift,glessard/swift,benlangmuir/swift,karwa/swift,CodaFi/swift,return/swift,xwu/swift,devincoughlin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