Use https for public submodule

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "logicworld-subassembly"]
 	path = logicworld-subassembly
-	url = git@gitea.d4vid.xyz:D4VID/logicworld-subassembly.git
+	url = https://gitea.d4vid.xyz/D4VID/logicworld-subassembly.git

README.md

@@ -0,0 +1,15 @@
+# Verilog to LogicWorld compiler
+
+## Setup
+
+Make sure you clone the repo recursively to include the subassembly library:
+
+```bash
+git clone https://gitea.d4vid.xyz/D4VID/verilog2logicworld.git --recursive
+```
+
+## Run
+
+```bash
+cargo run
+```