Cross: Add necessary stuff for frontend build

Signed-off-by: Patrick José Pereira <[email protected]>

Cross.toml

@@ -7,12 +7,15 @@ image = "joaoantoniocardoso/cross-rs:armv7-unknown-linux-gnueabihf-bullseye-slim
 [target.aarch64-unknown-linux-gnu]
 image = "joaoantoniocardoso/cross-rs:aarch64-unknown-linux-gnu-bullseye-slim-with-gstreamer"
 
-# [build]
-# pre-build = [
-#     "apt-get update && apt-get --assume-yes install unzip",
-#     "curl -fsSL https://bun.sh/install | bash -s 'bun-v1.0.0'",
-#     ". /root/.bashrc"
-# ]
+[build]
+pre-build = [
+    # Cross does not provide the necessary things for us to build our frontend
+    # Cargo + Trunk + wasm32
+    "curl https://sh.rustup.rs -sSf | sh -s -- -y",
+    ". $HOME/.cargo/env",
+    "cargo install --locked trunk",
+    "rustup target add wasm32-unknown-unknown",
+]
 
 [build.env]
 passthrough = ["SKIP_BINDINGS", "SKIP_BUN"]