FMBench website, Llama3.1

What's Changed

• Update config-ec2-llama3-8b-inf2-48xl.yml by @antara678 in #148
• config file for llama 2 70B by @antara678 in #134
• fmbench website by @antara678 in #151
• Gh website-updated logo path by @antara678 in #152
• adding support for llama3.1 on Amazon Bedrock by @madhurprash in #156

Full Changelog: v1.0.50...v1.0.51