feat: add basic error handling

Add anyhow::Result<()> return signature to all scripts and main.

src/scripts/docker_compose.rs

@@ -1,34 +1,35 @@
 use super::DockerCommand;
+use anyhow::Result;
 
 // simple commands
-pub fn build() {
-    DockerCommand::docker_compose().args("build").spawn_wait();
+pub fn build() -> Result<()> {
+    DockerCommand::docker_compose().args("build").spawn_wait()
 }
 
-pub fn down() {
-    DockerCommand::docker_compose().args("down").spawn_wait();
+pub fn down() -> Result<()> {
+    DockerCommand::docker_compose().args("down").spawn_wait()
 }
 
-pub fn start() {
-    DockerCommand::docker_compose().args("start").spawn_wait();
+pub fn start() -> Result<()> {
+    DockerCommand::docker_compose().args("start").spawn_wait()
 }
 
-pub fn stop() {
-    DockerCommand::docker_compose().args("stop").spawn_wait();
+pub fn stop() -> Result<()> {
+    DockerCommand::docker_compose().args("stop").spawn_wait()
 }
 
-pub fn up() {
-    DockerCommand::docker_compose().args("up -d").spawn_wait();
+pub fn up() -> Result<()> {
+    DockerCommand::docker_compose().args("up -d").spawn_wait()
 }
 
 // shortcuts
-pub fn rebuild() {
-    stop();
-    build();
-    start();
+pub fn rebuild() -> Result<()> {
+    stop()?;
+    build()?;
+    start()
 }
 
-pub fn restart() {
-    stop();
-    start();
+pub fn restart() -> Result<()> {
+    stop()?;
+    start()
 }