Add string literals

Once again, taking the rules more or less straight from tree-sitter-go.

src/node-types.json

@@ -38,6 +38,14 @@
           {
             "type": "integer_literal",
             "named": true
+          },
+          {
+            "type": "interpreted_string_literal",
+            "named": true
+          },
+          {
+            "type": "raw_string_literal",
+            "named": true
           }
         ]
       }
@@ -53,6 +61,21 @@
     "named": true,
     "fields": {}
   },
+  {
+    "type": "interpreted_string_literal",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": false,
+      "types": [
+        {
+          "type": "escape_sequence",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "source_file",
     "named": true,
@@ -68,6 +91,10 @@
       ]
     }
   },
+  {
+    "type": "\"",
+    "named": false
+  },
   {
     "type": "#",
     "named": false
@@ -84,8 +111,16 @@
     "type": "=",
     "named": false
   },
+  {
+    "type": "escape_sequence",
+    "named": true
+  },
   {
     "type": "identifier",
     "named": true
+  },
+  {
+    "type": "raw_string_literal",
+    "named": true
   }
 ]