Adds schema for encounters json.

encounters.schema.json

@@ -0,0 +1,50 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Encounters",
+  "description": "A schema for route encounters.",
+  "type": "object",
+  "properties": {
+    "$schema": {
+      "type": "string"
+    }
+  },
+  "patternProperties": {
+    "^.*$": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "required": [
+          "species",
+          "time",
+          "type",
+          "chance",
+          "minimumlvl",
+          "maximumlvl"
+        ],
+        "properties": {
+          "species": {
+            "type": "string"
+          },
+          "time": {
+            "type": "array",
+            "items": {
+              "enum": ["morning", "day", "evening", "night"]
+            }
+          },
+          "type": {
+            "enum": ["grass", "oldrod", "goodrod", "superrod", "surf"]
+          },
+          "chance": {
+            "type": "integer"
+          },
+          "minimumLevel": {
+            "type": "integer"
+          },
+          "maximumlvl": {
+            "type": "integer"
+          }
+        }
+      }
+    }
+  }
+}