Add dynamic() support to prompt.form() plugin API (#386)

plugins-external/httpsnippet/README.md

@@ -0,0 +1,9 @@
+# Yaak HTTP Snippet Plugin
+
+Generate code snippets for HTTP requests in various languages and frameworks,
+powered by [httpsnippet](https://github.com/Kong/httpsnippet).
+
+## Supported Languages
+
+C, Clojure, C#, Go, HTTP, Java, JavaScript, Kotlin, Node.js, Objective-C,
+OCaml, PHP, PowerShell, Python, R, Ruby, Shell, and Swift.