Update cargo/top README files

cargo/top/dv/README.md

diff --git a/cargo/top/dv/README.md b/cargo/top/dv/README.md
index e9be092..68115a4 100644
--- a/cargo/top/dv/README.md
+++ b/cargo/top/dv/README.md
@@ -2,7 +2,7 @@
 
 Contains tests for Spectravel project connected to Caravel. 
 ```
-├── SpectrometerTest
+└── SpectrometerTest
     └── spectrometer
         ├── plfg_nco_fft_mag_acc_pout
         ├── plfg_nco_fft_mag_acc_utx

cargo/top/rtl/README.md

diff --git a/cargo/top/rtl/README.md b/cargo/top/rtl/README.md
new file mode 100644
index 0000000..e96ad8c
--- /dev/null
+++ b/cargo/top/rtl/README.md
@@ -0,0 +1,8 @@
+# DV Tests
+
+Contains Spectravel top level verilog code user_proj_example.v
+```
+└── SpectrometerTest
+    └── user_proj_example.v
+
+```
\ No newline at end of file