Vendor helgoboss/helgobox (ReaLearn) as basis for custom UI fork

Stripped upstream git history; starting point for replacing the native
SWELL/Win32 mapping UI with something more suited to bulk editing.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

plugin-reaper-realearn/pot/Cargo.toml

@@ -0,0 +1,48 @@
+[package]
+name = "pot"
+version = "0.1.0"
+authors = ["Benjamin Klum <benjamin.klum@helgoboss.org>"]
+edition = "2021"
+publish = false
+
+[dependencies]
+# Own
+base.workspace = true
+reaper-high.workspace = true
+reaper-medium.workspace = true
+helgobox-api.workspace = true
+rppxml-parser.workspace = true
+
+# 3rd-party
+enumset.workspace = true
+itertools.workspace = true
+wildmatch.workspace = true
+serde.workspace = true
+derive_more.workspace = true
+tokio.workspace = true
+enum-map.workspace = true
+once_cell.workspace = true
+lexical-sort.workspace = true
+strum.workspace = true
+splitty.workspace = true
+rust-ini.workspace = true
+walkdir.workspace = true
+either.workspace = true
+riff-io.workspace = true
+rusqlite = { workspace = true, features = ["bundled"] }
+rmp-serde.workspace = true
+serde_json.workspace = true
+dirs.workspace = true
+futures.workspace = true
+derivative.workspace = true
+tempfile.workspace = true
+sanitize-filename.workspace = true
+tracing.workspace = true
+regex.workspace = true
+nanoid.workspace = true
+chrono.workspace = true
+anyhow.workspace = true
+camino.workspace = true
+
+[lints.clippy]
+enum_glob_use = "deny"