feat!: CLI init

- Added CLI, does not perform any action now,
  but accepts arguments correctly

BREAKING CHANGE: Removed main.rs file

src/bin/cli.rs

@@ -0,0 +1,95 @@
+use std::path::PathBuf;
+
+use clap::{Parser,Subcommand,Args,ValueEnum};
+
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+#[command(propagate_version = true)]
+struct Cli {
+    /// Path to config
+    #[arg(short, long)]
+    config: PathBuf,
+    /// Object to make operation on
+    #[command(subcommand)]
+    command: Objects,
+}
+
+#[derive(Subcommand)]
+enum Objects {
+    /// Operations on the quests
+    #[command(subcommand)]
+    Quest(QuestCommands)
+}
+
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]
+enum QuestDifficulty {
+    /// Easy quest
+    Easy,
+    /// Normal quest
+    Normal,
+    /// Hard quest
+    Hard,
+    /// Special case of hard quests.
+    Secret
+}
+
+#[derive(Subcommand)]
+enum QuestCommands {
+    /// List available quests
+    List(QuestListArgs),
+    /// Create new quest and automatically assign it id
+    Create(QuestCreateArgs),
+    /// Update existing quest
+    Update(QuestUpdateArgs),
+    /// Delete quest
+    Delete(QuestDeleteArgs),
+}
+
+#[derive(Args)]
+struct QuestListArgs {
+    /// Only list id and name of the quest
+    #[arg(short, long)]
+    short: bool
+}
+
+#[derive(Args)]
+struct QuestCreateArgs {
+    /// Difficulty of the quest
+    #[arg(value_enum)]
+    difficulty: QuestDifficulty,
+    /// Reward for the quest
+    reward: u32,
+    /// Name of the quest
+    name: String,
+    /// Visible description of the quest
+    description: String,
+    /// Answer for the quest for admins
+    answer: String
+}
+
+#[derive(Args)]
+struct QuestUpdateArgs {
+    /// Id of the quest to update
+    id: u16,
+    /// Difficulty of the quest
+    #[arg(value_enum)]
+    difficulty: QuestDifficulty,
+    /// Reward for the quest
+    reward: u32,
+    /// Name of the quest
+    name: String,
+    /// Visible description of the quest
+    description: String,
+    /// Answer for the quest for admins
+    answer: String
+}
+
+#[derive(Args)]
+struct QuestDeleteArgs {
+    /// Id of the quest to delete
+    id: u16
+}
+
+fn main() {
+    let _cli = Cli::parse();
+}

src/main.rs

@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}