Added README

README.md

@@ -1,2 +1,103 @@
 # go-llm
-Large Language Model API interface
+
+Large Language Model API interface. This is a simple API interface for large language models
+which run on [Ollama](https://github.com/ollama/ollama/blob/main/docs/api.md)
+and [Anthopic](https://docs.anthropic.com/en/api/getting-started).
+
+The module includes the ability to utilize:
+
+* Maintaining a session of messages
+* Tool calling support
+* Streaming responses
+
+There is a command-line tool included in the module which can be used to interact with the API.
+For example,
+
+```bash
+# Display help
+docker run ghcr.io/mutablelogic/go-llm:latest --help
+
+# Interact with Claude to retrieve news headlines, assuming
+# you have an API key for Anthropic and NewsAPI
+docker run \
+  --interactive -e ANTHROPIC_API_KEY -e NEWSAPI_KEY \
+  ghcr.io/mutablelogic/go-llm:latest \
+  chat claude-3-5-haiku-20241022
+```
+
+## Programmatic Usage
+
+See the documentation [here](https://pkg.go.dev/github.com/mutablelogic/go-llm)
+for integration into your own Go programs. To create an
+[Ollama](https://pkg.go.dev/github.com/mutablelogic/go-llm/pkg/anthropic)
+agent,
+
+```go
+import (
+  "github.com/mutablelogic/go-llm/pkg/ollama"
+)
+
+func main() {
+  // Create a new agent
+  agent, err := ollama.New("https://ollama.com/api/v1/")
+  if err != nil {
+    panic(err)
+  }
+  // ...
+}
+```
+
+To create an
+[Anthropic](https://pkg.go.dev/github.com/mutablelogic/go-llm/pkg/anthropic)
+agent,
+
+```go
+import (
+  "github.com/mutablelogic/go-llm/pkg/anthropic"
+)
+
+func main() {
+  // Create a new agent
+  agent, err := anthropic.New(os.Getev("ANTHROPIC_API_KEY"))
+  if err != nil {
+    panic(err)
+  }
+  // ...
+}
+```
+
+You create a **chat session** with a model as follows,
+
+```go
+import (
+  "github.com/mutablelogic/go-llm"
+)
+
+func session(ctx context.Context, agent llm.Agent) error {
+  // Create a new chat session
+  session := agent.Model("claude-3-5-haiku-20241022").Context()
+
+  // Repeat forever
+  for {
+    err := session.FromUser(ctx, "hello")
+    if err != nil {
+      return err
+    }
+
+    // Print the response
+    fmt.Println(session.Text())
+  }
+}
+```
+
+## Contributing & Distribution
+
+*This module is currently in development and subject to change*. Please do file
+feature requests and bugs [here](https://github.com/mutablelogic/go-llm/issues).
+The [license is Apache 2](LICENSE) so feel free to redistribute. Redistributions in either source
+code or binary form must reproduce the copyright notice, and please link back to this
+repository for more information:
+
+> **go-llm**\
+> [https://github.com/mutablelogic/go-llm/](https://github.com/mutablelogic/go-llm/)\
+> Copyright (c) 2025 David Thorpe, All rights reserved.