build: Preparing stuff to create debian package

- Added deb binary target to generate incomplete control file
- Added CLI init option to insert impl_path in config

src/bin/deb.rs

@@ -0,0 +1,24 @@
+//! This binary generates DEBIAN/control text for use in debian package
+use std::process::Command;
+
+fn main() {
+    let version = env!("CARGO_PKG_VERSION");
+    let homepage = env!("CARGO_PKG_HOMEPAGE");
+    let dpkg_arch = {
+        let output = match Command::new("dpkg")
+            .arg("--print-architecture")
+            .output() {
+            Ok(out) => out,
+            Err(error) => panic!("error running dpkg: {error}"),
+        };
+        String::from_utf8(output.stdout).expect("dpkg returned ill UTF-8")
+    };
+    println!("Package: squad-quest\n\
+    Version: {version}-1\n\
+    Architecture: {dpkg_arch}\
+    Section: misc\n\
+    Priority: optional\n\
+    Homepage: {homepage}\n\
+    Description: Simple RPG-like system for hosting events\n\
+    Maintainer: Alexey Mirenkov <2ndbeam@disroot.org>");
+}