docs: add quick start section

[okwn]

Summary by cubic

Adds a Quick Start to the README so users can install @agentmail/cli and send their first email fast. Includes a 3-step snippet: npm install -g @agentmail/cli, agentmail init, and agentmail send --to user@example.com --subject "Hello".

^{Written for commit e5ea0ab. Summary will update on new commits. Review in cubic}

[cubic-dev-ai]

1 issue found across 1 file

Prompt for AI agents (unresolved issues)

Check if these issues are valid — if so, understand the root cause of each and fix them. If appropriate, use sub-agents to investigate and fix each issue separately.


<file name="README.md">

<violation number="1" location="README.md:108">
P1: Conflicting npm package name in Quick Start section: `@agentmail/cli` should be `agentmail-cli` to match the canonical package name and existing Installation section</violation>
</file>

<sub>Reply with feedback, questions, or to request a fix.

Fix all with cubic | Re-trigger cubic</sub>

[cubic-dev-ai]

P1: Conflicting npm package name in Quick Start section: @agentmail/cli should be agentmail-cli to match the canonical package name and existing Installation section

Prompt for AI agents

Check if this issue is valid — if so, understand the root cause and fix it. At README.md, line 108:

<comment>Conflicting npm package name in Quick Start section: `@agentmail/cli` should be `agentmail-cli` to match the canonical package name and existing Installation section</comment>

<file context>
@@ -101,3 +101,12 @@ agentmail <command> --arg @data://file.txt
+## Quick Start
+
+```bash
+npm install -g @agentmail/cli
+agentmail init
+agentmail send --to user@example.com --subject "Hello"
</file context>

Suggested change

	npm install -g @agentmail/cli
	npm install -g agentmail-cli