Super basic Fabric stuff

platforms/fabric/src/main/resources/assets/terra/lang/en_us.json

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+{
+  "generator.terra": "Terra"
+}
+

platforms/fabric/src/main/resources/fabric.mod.json

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+{
+  "schemaVersion": 1,
+  "id": "terra",
+  "version": "@VERSION@",
+  "name": "Terra",
+  "description": "An insanely powerful free & open-source data-driven world generator.",
+  "authors": [
+    "dfsek"
+  ],
+  "contact": {
+    "homepage": "https://github.com/PolyhedralDev/Terra/wiki",
+    "sources": "https://github.com/PolyhedralDev/Terra"
+  },
+  "license": "GPL-3.0",
+  "icon": "assets/terra/icon.png",
+  "environment": "*",
+  "entrypoints": {
+    "main": [
+      "com.dfsek.terra.fabric.TerraFabricPlugin"
+    ]
+  },
+  "mixins": [
+    "terra.mixins.json"
+  ],
+  "depends": {
+    "fabricloader": ">=0.7.4",
+    "fabric": "*",
+    "minecraft": "1.16.x"
+  }
+}

platforms/fabric/src/main/resources/terra.accesswidener

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+accessWidener v1 named
+
+extendable method net/minecraft/client/world/GeneratorType <init> (Ljava/lang/String;)V

platforms/fabric/src/main/resources/terra.mixins.json

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+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "com.dfsek.terra.fabric.mixin",
+  "compatibilityLevel": "JAVA_8",
+  "mixins": [],
+  "client": [],
+  "server": [
+    "GeneratorAccessor"
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}