Add curl_template

curl_template/backend/src/main.rs

@@ -0,0 +1,19 @@
+#![allow(improper_ctypes)]
+
+use fluence::fce;
+use fluence::MountedBinaryStringResult as StringResult;
+use fluence::MountedBinaryResult as Result;
+
+fn main() {}
+
+#[fce]
+pub fn request(url: String) -> StringResult {
+    unsafe { curl(vec!["-sS".into(), url]) }.stringify().unwrap()
+}
+
+// mounted_binaries are available to import like this:
+#[fce]
+#[link(wasm_import_module = "host")]
+extern "C" {
+    pub fn curl(cmd: Vec<String>) -> Result;
+}