Don't set ignore_comments for compatibility with nlohmann::json versions < 3.9

RUNNING.md

@@ -12,7 +12,10 @@
 
 Copy `example_config.json` to a file with any name you like
 (e.g. `config.json`), then open the copied file and edit the parameters to your
-liking (they should be self-explanatory, especially with comments).
+liking. Here's a list of what they are:
+- `bind_host` (string): What address to bind to
+- `bind_port` (zero or positive integer): What port to bind to
+- `image_proxy_url` (string): URL to proxy images to (see https://pixiv.cat/reverseproxy.html), a trailing slash is not needed
 
 Pixwhile is intended to be run behind a reverse proxy (e.g. Nginx), so you
 should set your reverse proxy to proxy requests to

config.cpp

@@ -5,7 +5,7 @@
 
 Config load_config(const char* path) {
     File config_file(path, "r");
-    return nlohmann::json::parse(config_file.get(), nullptr, true, true);
+    return nlohmann::json::parse(config_file.get());
 }
 
 void from_json(const nlohmann::json& j, Config& config) {

example_config.json

@@ -1,5 +1,5 @@
 {
-    "bind_host": "127.0.0.1", // string: What address to bind to
-    "bind_port": 8080, // integer: What port to bind to
-    "image_proxy_url": "https://i.pixiv.cat" // string: URL to proxy images to (see https://pixiv.cat/reverseproxy.html), a trailing slash is not needed
+    "bind_host": "127.0.0.1",
+    "bind_port": 8080,
+    "image_proxy_url": "https://i.pixiv.cat"
 }