add openapi parsing

generator/src/main.rs

@@ -0,0 +1,17 @@
+use std::ffi::OsString;
+
+mod openapi;
+
+fn main() -> eyre::Result<()> {
+    let spec = get_spec()?;
+    dbg!(spec);
+    Ok(())
+}
+
+fn get_spec() -> eyre::Result<openapi::OpenApiV2> {
+    let path = std::env::var_os("FORGEJO_API_SPEC_PATH")
+        .unwrap_or_else(|| OsString::from("./api_spec.json"));
+    let file = std::fs::read(path)?;
+    let spec = serde_json::from_slice::<openapi::OpenApiV2>(&file)?;
+    Ok(spec)
+}