Move sudo runner configuration to .cargo/config.toml (#155)

This simplifies common usage.

.cargo/config.toml

@@ -0,0 +1,2 @@
+[target."cfg(all())"]
+runner = "sudo -E"

README.md

@@ -14,7 +14,7 @@
 Use `cargo build`, `cargo check`, etc. as normal. Run your program with:
 
 ```shell
-cargo run --release --config 'target."cfg(all())".runner="sudo -E"'
+cargo run --release
 ```
 
 Cargo build scripts are used to automatically build the eBPF correctly and include it in the

test.sh

@@ -102,7 +102,7 @@ case $OS in
 
   expect <<EOF
     set timeout 30        ;# Increase timeout if necessary
-    spawn cargo run --release --config "target.\"cfg(all())\".runner=\"sudo -E\""
+    spawn cargo run --release
     expect {
       -re "Waiting for Ctrl-C.*" {
         send -- \003      ;# Send Ctrl-C