Merge #122: prepare for initial release

a0f10ed prepare for initial release (Andrew Poelstra)

Pull request description:

  Move from git deps to crates.io deps, add CHANGELOG.md. From here on out I'd like us to have a somewhat regular release cadence even if we're aware of major issues.

  Fixes #121.

ACKs for top commit:
  uncomputable:
    ACK a0f10ed

Tree-SHA512: 9ccec1a7e8f810f28392688c1fd9d046fe0cc0e25e05bd71efa464c1d03ce30801dc1abfd1b3ba0e4d045bcf0120cb031294df7cbedff3c6c7525d7faa3e0b0a

Author: uncomputable

CHANGELOG.md

@@ -0,0 +1,3 @@
+# 0.1.0 - 2025-04-10
+
+* Initial release. Not recommended for production use.

Cargo.lock

@@ -26,8 +26,8 @@ pest = "2.1.3"
 pest_derive = "2.7.1"
 serde = { version = "1.0.188", features = ["derive"], optional = true }
 serde_json = { version = "1.0.105", optional = true }
-simplicity-lang = { git = "https://github.com/BlockstreamResearch/rust-simplicity", rev = "2f52e22483079ace09e76754222220b5c230a9d0" }
-miniscript = "12.2.0"
+simplicity-lang = { version = "0.4.0" }
+miniscript = "12.3.1"
 either = "1.12.0"
 itertools = "0.13.0"
 arbitrary = { version = "1", optional = true, features = ["derive"] }