http_params::parse_params now using serde_json to convert the body into a Value set

Why: The idea is that writing a body parser is both really annoying and not really optimal
At this time I need some way of getting body params easily while endpionts are tested
at some point we'll come up with a smaller footprint way of parsing http parameters
Ideally one that also comes with the ability to combine parameters but,
for now using serde_json suffices.

server/src/http_params.rs

@@ -1,4 +1,5 @@
-use hyper::body::{to_bytes, Bytes, HttpBody};
+use serde_json::{self, Value};
+use hyper::body::{to_bytes, Bytes};
 use hyper::Body;
 use std::collections::HashMap;
 use std::u8;
@@ -75,10 +76,8 @@ async fn map_body(map: &mut HashMap<&str, &str>, body_raw: &mut Body) {
     }
 }
 
-
-// NOTE: we only need an async call because map body itself makes asynchronous calls
-pub async fn parse_params<'q>(qs_raw: Option<&'q str>, body_raw: &mut Body) -> HashMap<&'q str, &'q str> {
-    let mut qs_map = map_qs(qs_raw);
-    map_body(&mut qs_map, body_raw).await;
-    qs_map
+pub async fn parse_params(body_raw: &mut Body) -> Result<Value, serde_json::error::Error> {
+    let bytes: &[u8] = &*to_bytes(body_raw).await.unwrap(); // rarely fails 
+    let mut values: Value = serde_json::from_slice(bytes)?;
+    Ok(values)
 }