move not-os patches to dedicated folder

flake.nix

@@ -18,11 +18,11 @@
         name = "not-os-patched";
         src = not-os;
         patches = [
-          ./network.patch
-          ./pr-28.patch
-          ./pr-29.patch
-          ./pr-30.patch
-          ./pr-31.patch
+          ./not-os-patches/network.patch
+          ./not-os-patches/pr-28.patch
+          ./not-os-patches/pr-29.patch
+          ./not-os-patches/pr-30.patch
+          ./not-os-patches/pr-31.patch
         ];
       };