Add AWS bedrock support for LLM + agents (#1935)

README.md

docker/.env.example

...rc/components/LLMSelection/AwsBedrockLLMOptions/index.jsx

...c/components/LLMSelection/AwsBedrockLLMOptions/regions.js

frontend/src/hooks/useGetProvidersModels.js

frontend/src/media/llmprovider/bedrock.png

frontend/src/pages/GeneralSettings/LLMPreference/index.jsx

...end/src/pages/OnboardingFlow/Steps/DataHandling/index.jsx

...nd/src/pages/OnboardingFlow/Steps/LLMPreference/index.jsx

...WorkspaceSettings/AgentConfig/AgentLLMSelection/index.jsx

...paceSettings/ChatSettings/WorkspaceLLMSelection/index.jsx

server/models/systemSettings.js

server/package.json

server/utils/AiProviders/bedrock/index.js

server/utils/agents/aibitat/index.js

server/utils/agents/aibitat/providers/ai-provider.js

server/utils/agents/aibitat/providers/bedrock.js

server/utils/agents/aibitat/providers/index.js

server/utils/agents/index.js

server/utils/helpers/index.js