added substitutions endpoints

src/others/api_info.rs

@@ -0,0 +1,9 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct ApiInfo {
+    pub api_version: String,
+    pub application_version: String,
+    pub base_url: String,
+}

src/others/endpoints.rs

@@ -0,0 +1,15 @@
+use std::marker::PhantomData;
+
+use crate::{ApiInfo, Endpoint};
+
+pub const API_V3_INFO_ENDPOINT: Endpoint<(), ApiInfo> = Endpoint::Get {
+    url: "/api/3",
+    auth: false,
+    _types: PhantomData,
+};
+
+pub const APIS_INFO_ENDPOINT: Endpoint<(), Vec<ApiInfo>> = Endpoint::Get {
+    url: "/api",
+    auth: false,
+    _types: PhantomData,
+};

src/others/mod.rs

@@ -0,0 +1,5 @@
+mod api_info;
+mod endpoints;
+
+pub use api_info::*;
+pub use endpoints::*;