add example config and just overall improve the config data stuff

src/data.rs

@@ -0,0 +1,68 @@
+use std::{collections::HashMap, path::PathBuf, str::FromStr};
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Debug, PartialEq)]
+struct SiteInfo {
+    name: String,
+    aliases: Vec<String>,
+    /// Aliases for this subdomain - will have the same exact settings
+    /// The socket address (e.g. `192.168.1.8:8080`) or port number (if on `localhost`) of the service to reverse proxy
+    address: String,
+    /// What auth file to use - 0 means none
+    #[serde(skip_serializing_if = "Option::is_none")]
+    auth: Option<u8>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    conf_file: Option<PathBuf>,
+}
+
+#[derive(Serialize, Deserialize, Debug, PartialEq)]
+struct Config {
+    /// What directory to output the conf files to
+    #[serde(default = "default_output_dir")]
+    output_dir: PathBuf,
+    domain: String,
+    /// Subdomains/services in the format `subdomain: SiteInfo`
+    subdomains: HashMap<String, SiteInfo>,
+    /// Paths to the htpasswd file for each auth number - starts at 1, goes to 255; see [`SiteInfo`]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    htpasswd_files: Option<Vec<PathBuf>>,
+    /// Default IP for if it's not specified in `socket_address_or_port` in [`SiteInfo`]. Defaults to localhost if not specified.
+    #[serde(default = "default_default_ip")]
+    default_ip: String,
+}
+
+/// Generates the default
+pub(crate) fn example_config() -> String {
+    let mut subdomains: HashMap<String, SiteInfo> = HashMap::new();
+    subdomains.insert(
+        "qbittorrent".to_string(),
+        SiteInfo {
+            name: "Qbittorrent".to_string(),
+            aliases: vec!["qb".to_string()],
+            address: "6011".to_string(),
+            auth: None,
+            conf_file: None,
+        },
+    );
+    return serde_yml::to_string(
+        &(Config {
+            output_dir: default_output_dir(),
+            domain: "example.net".to_string(),
+            subdomains: subdomains,
+            htpasswd_files: None,
+            default_ip: default_default_ip(),
+        }),
+    )
+    .unwrap();
+}
+
+// ----------------------------------------------------- DEFAULTS -----------------------------------------------------
+
+fn default_output_dir() -> PathBuf {
+    return PathBuf::from_str("conf.d").unwrap();
+}
+
+fn default_default_ip() -> String {
+    return "localhost".to_string();
+}