docs integration : update markdown to rst and add additional info

[coolbreeze413]

No description provided.

[coolbreeze413]

Added the (latest) dailybuild instructions as a method to install and use the fpga toolchain.
Hope this is ok, as I think it will be useful for users wanting the latest packages, without build from sources.
Took the latest as per this https://github.com/QuickLogic-Corp/qorc-sdk/pull/81/files

[coolbreeze413]

added note for the antlr being introduced in the Symbiflow fasm repo, and a way to manually install this if needed.

[kkumar23]

@coolbreeze413 : I am not sure about the daily builds at this location, as it has only the release specific info or compile from source.

[kkumar23]

@tpagarani Please review this.

[tpagarani]

@kkumar23 I believe you want my opinion on whether or not we should include daily build in this document. We can skip listing details steps as symbiflow community is already aware of the google storage space.

We have to start moving towards merging our examples into symbiflow-examples rather than keeping a separate repo altogether.

[coolbreeze413]

removed dailybuild steps as per review, it is not needed for public usage.