Update rust-cache to v2 in github tests to make it faster (#113)

.github/workflows/test.yml

@@ -27,6 +27,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: Swatinem/rust-cache@v1
+      - run: rustup toolchain install stable --profile minimal
+      - uses: Swatinem/rust-cache@v2
       - name: Run tests
         run: cargo test

crates/librqbit/src/lib.rs

@@ -21,6 +21,7 @@
 //!
 //! It also proved useful to use the [`Api`] when building the rqbit desktop app, as it provides
 //! a facade that works with simple serializable types.
+//!
 
 pub mod api;
 mod api_error;