chore: final touches for public release (#239)

Co-authored-by: John Guibas <[email protected]>

README.md

@@ -3,7 +3,7 @@
 [![Telegram Chat][tg-badge]][tg-url]
 
 
-![](./assets/sp1.svg)
+![](./assets/sp1.png)
 
 SP1 is a performant, 100% open-source, contributor-friendly zero-knowledge virtual machine (zkVM) that can prove the execution of arbitrary Rust (or any LLVM-compiled language) programs. SP1 democratizes access to ZKPs by allowing developers to use programmable truth with popular programming languages.
 

book/getting-started/install.md

@@ -3,7 +3,7 @@
 SP1 currently runs on Linux and macOS. You can either use prebuilt binaries through sp1up or
 build the toolchain and CLI from source.
 
-Make sure you have [Rust](https://www.rust-lang.org/tools/install) installed.
+Make sure you have [Rust](https://www.rust-lang.org/tools/install) and OpenSSL 1.1 (`brew install [email protected]` or use this [guide](https://askubuntu.com/questions/1102803/how-to-upgrade-openssl-1-1-0-to-1-1-1-in-ubuntu-18-04)) installed.
 
 ## Option 1: Prebuilt Binaries (Recommended)
 

book/introduction.md

@@ -4,7 +4,7 @@
 
 [![Telegram Chat][tg-badge]][tg-url]
 
-![](./sp1.svg)
+![](./sp1.png)
 
 SP1 is a performant, 100% open-source, contributor-friendly zero-knowledge virtual machine (zkVM) that verifies the execution of arbitrary Rust (or any LLVM-compiled language) programs.