Added more details on dependencies.

README.md

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+# CH32V20X TDD template
+
+## Description
+
+This is a TDD focused template that uses the cpputest testing harness and 
+CMAKE for the build system. The build system and testing is held together with
+the use of the `otto.sh` script.
+
+## Dependencies
+
+- CMAKE >= 3.20
+- CppUTest >= 3.8
+- Bash/Sh shell
+
+
+## Hardware Specific
+
+Given this template targets the whole range of CH32V20X chips you will want
+to define their memory layout to reflect the chip you have chosen.
+
+## Using the template
+
+### Setting up dependencies
+
+### Running Tests
+
+```sh
+echo "1" | ./otto.sh
+```
+
+### Building Binaries
+
+
+### Flashing Micro-Controller
+