Security scans/best practices - badges in readme (#4123)

Author: Kielek

docs/README.md

@@ -3,6 +3,10 @@
 [![Slack](https://img.shields.io/badge/slack-@cncf/otel--dotnet--auto--instr-brightgreen.svg?logo=slack)](https://cloud-native.slack.com/archives/C01NR1YLSE7)
 [![NuGet](https://img.shields.io/nuget/v/OpenTelemetry.AutoInstrumentation.svg)](https://www.nuget.org/packages/OpenTelemetry.AutoInstrumentation)
 [![NuGet](https://img.shields.io/nuget/dt/OpenTelemetry.AutoInstrumentation.svg)](https://www.nuget.org/packages/OpenTelemetry.AutoInstrumentation)
+[![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/open-telemetry/opentelemetry-dotnet-instrumentation/badge)](https://scorecard.dev/viewer/?uri=github.com/open-telemetry/opentelemetry-dotnet-instrumentation)
+[![OpenSSF Best Practices](https://www.bestpractices.dev/projects/10371/badge)](https://www.bestpractices.dev/projects/10371)
+[![FOSSA License Status](https://app.fossa.com/api/projects/custom%2B162%2Fgithub.com%2Fopen-telemetry%2Fopentelemetry-dotnet-instrumentation.svg?type=shield&issueType=license)](https://app.fossa.com/projects/custom%2B162%2Fgithub.com%2Fopen-telemetry%2Fopentelemetry-dotnet-instrumentation?ref=badge_shield&issueType=license)
+[![FOSSA Security Status](https://app.fossa.com/api/projects/custom%2B162%2Fgithub.com%2Fopen-telemetry%2Fopentelemetry-dotnet-instrumentation.svg?type=shield&issueType=security)](https://app.fossa.com/projects/custom%2B162%2Fgithub.com%2Fopen-telemetry%2Fopentelemetry-dotnet-instrumentation?ref=badge_shield&issueType=security)
 
 This project adds [OpenTelemetry instrumentation](https://opentelemetry.io/docs/concepts/instrumenting/#automatic-instrumentation)
 to .NET applications without having to modify their source code.