Add an accommodations reservations module (#188)

Add a new module to enable accommodations reservation

![](https://gitea.communiquons.org/attachments/de1f5b12-0a93-40f8-b29d-97665daa6fd5)

Reviewed-on: #188

geneit_backend/Cargo.lock

@@ -711,8 +711,10 @@ checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
+ "js-sys",
  "num-traits",
  "serde",
+ "wasm-bindgen",
  "windows-targets 0.52.5",
 ]
 
@@ -1404,13 +1406,16 @@ dependencies = [
  "anyhow",
  "base64 0.22.1",
  "bcrypt",
+ "chrono",
  "clap",
  "diesel",
  "diesel_migrations",
  "env_logger",
  "futures-util",
  "httpdate",
+ "ical",
  "image",
+ "lazy-regex",
  "lazy_static",
  "lettre",
  "light-openid",
@@ -1774,6 +1779,15 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "ical"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b7cab7543a8b7729a19e2c04309f902861293dcdae6558dfbeb634454d279f6"
+dependencies = [
+ "thiserror",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -1939,6 +1953,29 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4345964bb142484797b161f473a503a434de77149dd8c7427788c6e13379388"
 
+[[package]]
+name = "lazy-regex"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d12be4595afdf58bd19e4a9f4e24187da2a66700786ff660a418e9059937a4c"
+dependencies = [
+ "lazy-regex-proc_macros",
+ "once_cell",
+ "regex",
+]
+
+[[package]]
+name = "lazy-regex-proc_macros"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44bcd58e6c97a7fcbaffcdc95728b393b8d98933bfadad49ed4097845b57ef0b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn 2.0.63",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"