Enable commands in all environments

- Many command-related fixes and improvements
- Added test environment for easier development

test-fabric/src/main/resources/assets/modid/en_US.json

@@ -0,0 +1,23 @@
+{
+  "modid.midnightconfig.title":"I am a title",
+  "modid.midnightconfig.text1":"I am a comment *u*",
+  "modid.midnightconfig.text2":"I am a centered comment (╯°□°）╯︵ ┻━┻",
+  "modid.midnightconfig.name":"I am a string!",
+  "modid.midnightconfig.name.tooltip":"I am a tooltip uwu \nI am a new line",
+  "modid.midnightconfig.fabric":"I am an int",
+  "modid.midnightconfig.world":"I am a double",
+  "modid.midnightconfig.showInfo":"I am a boolean",
+  "modid.midnightconfig.hello":"I am a limited int!",
+  "modid.midnightconfig.id":"I am an Item Identifier!",
+  "modid.midnightconfig.testEnum":"I am an enum!",
+  "modid.midnightconfig.enum.TestEnum.FORGE":"Slow",
+  "modid.midnightconfig.enum.TestEnum.FABRIC":"Fancy",
+  "modid.midnightconfig.enum.TestEnum.QUILT":"Fabulous",
+  "modid.midnightconfig.myFileOrDirectory.fileChooser": "Select an image or directory",
+  "modid.midnightconfig.myFileOrDirectory.fileFilter": "Supported Images (.png, .jpg, .jpeg)",
+  "modid.midnightconfig.category.numbers": "Numbers",
+  "modid.midnightconfig.category.text": "Text",
+  "modid.midnightconfig.category.sliders": "Sliders",
+  "modid.midnightconfig.category.lists": "Lists",
+  "modid.midnightconfig.category.files": "Files"
+}

test-fabric/src/main/resources/fabric.mod.json

@@ -0,0 +1,23 @@
+{
+    "schemaVersion": 1,
+    "id": "midnightlib-example",
+    "version": "${version}",
+
+    "name": "MidnightLib Example",
+    "description": "Wow, you can do so much.",
+    "authors": [ "MidnightDust" ],
+
+    "license": "CC0",
+    "icon": "assets/midnightlib/icon.png",
+
+    "environment": "*",
+    "entrypoints": {
+        "main": [
+            "eu.midnightdust.fabric.example.MLExampleFabric"
+        ]
+    },
+    "depends": {
+        "fabric-resource-loader-v0": "*",
+        "midnightlib": ">=1.6.0"
+    }
+}