sql: switch from sqlx to rusqlite

Cargo.toml

@@ -12,6 +12,8 @@ debug = 0
 lto = true
 
 [dependencies]
+deltachat_derive = { path = "./deltachat_derive" }
+
 ansi_term = { version = "0.12.1", optional = true }
 anyhow = "1.0.28"
 async-imap = "0.4.0"
@@ -50,8 +52,11 @@ percent-encoding = "2.0"
 pgp = { version = "0.7.0", default-features = false }
 pretty_env_logger = { version = "0.4.0", optional = true }
 quick-xml = "0.18.1"
+r2d2 = "0.8.5"
+r2d2_sqlite = "0.17.0"
 rand = "0.7.0"
 regex = "1.1.6"
+rusqlite = { version = "0.24", features = ["bundled"] }
 rust-hsluv = "0.1.4"
 rustyline = { version = "4.1.0", optional = true }
 sanitize-filename = "0.3.0"
@@ -60,9 +65,6 @@ serde = { version = "1.0", features = ["derive"] }
 sha-1 = "0.9.3"
 sha2 = "0.9.0"
 smallvec = "1.0.0"
-sqlx = { git = "https://github.com/deltachat/sqlx", branch = "master", features = ["runtime-async-std-native-tls", "sqlite"] }
-# keep in sync with sqlx
-libsqlite3-sys = { version = "0.22.0", default-features = false, features = [ "pkg-config", "vcpkg", "bundled" ] }
 stop-token = { version = "0.1.1", features = ["unstable"] }
 strum = "0.20.0"
 strum_macros = "0.20.1"
@@ -86,6 +88,7 @@ tempfile = "3.0"
 [workspace]
 members = [
   "deltachat-ffi",
+  "deltachat_derive",
 ]
 
 [[example]]