refactor: refactoring of the project structure

src/linux/user.zig

@@ -0,0 +1,28 @@
+const std = @import("std");
+
+pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
+    const username = try std.process.getEnvVarOwned(allocator, "USER");
+    return username;
+}
+
+pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
+    const shell = try std.process.getEnvVarOwned(allocator, "SHELL");
+
+    var child = std.process.Child.init(&[_][]const u8{ shell, "--version" }, allocator);
+
+    child.stdout_behavior = .Pipe;
+    child.stderr_behavior = .Pipe;
+
+    try child.spawn();
+
+    const output = try child.stdout.?.reader().readAllAlloc(allocator, 1024 * 1024);
+
+    _ = try child.wait();
+
+    return output;
+}
+
+pub fn getTerminalName(allocator: std.mem.Allocator) ![]u8 {
+    const term_progrm = try std.process.getEnvVarOwned(allocator, "TERM_PROGRAM");
+    return term_progrm;
+}