docs: Extend documentation with bender, banshee and spike dependency

docs/ug/getting_started.md

@@ -74,3 +74,32 @@ Install the required packages in the currently active virtual environment:
 ```shell
 pip install -r python-requirements.txt
 ```
+
+## Dependencies
+
+This repository has a couple of tool dependencies:
+
+- Dependency management tool `bender`:
+   ```bash
+   # Bender tool
+   cargo install bender --version 0.23.2
+   ```
+- Instruction-accurate simulator `banshee`:
+   ```bash
+   # Banshee
+   git clone [email protected]:pulp-platform/banshee.git  --recurse-submodules
+   # install in normal mode
+   cargo install --path banshee -f
+   # or install Banshee with `debug` and `trace` enabled
+   cargo install --debug --path banshee -f
+   ```
+- Snitch-ISA-aware `spike-dasm` version:
+   ```bash
+   git clone https://github.com/huettern/riscv-isa-sim
+   cd riscv-isa-sim
+   mkdir build
+   cd build
+   ../configure
+   make spike-dasm
+   # TODO: add binary location to $PATH
+   ```