Fix packages not including all files (#2396)

.changeset/good-boxes-complain.md

@@ -0,0 +1,7 @@
+---
+'@gitbook/react-contentkit': minor
+'@gitbook/react-openapi': minor
+'@gitbook/react-math': minor
+---
+
+Fix files published in the NPM packages by defining "files" in "package.json"

packages/react-contentkit/package.json

@@ -23,5 +23,11 @@
         "build": "tsc",
         "typecheck": "tsc --noEmit",
         "dev": "tsc -w"
-    }
+    },
+    "files": [
+        "dist",
+        "src",
+        "README.md",
+        "CHANGELOG.md"
+    ]
 }

packages/react-math/package.json

@@ -22,5 +22,12 @@
         "build": "tsc",
         "typecheck": "tsc --noEmit",
         "dev": "tsc -w"
-    }
+    },
+    "files": [
+        "dist",
+        "src",
+        "css",
+        "README.md",
+        "CHANGELOG.md"
+    ]
 }

packages/react-openapi/package.json

@@ -30,5 +30,11 @@
         "typecheck": "tsc --noEmit",
         "unit": "bun test",
         "dev": "tsc -w"
-    }
+    },
+    "files": [
+        "dist",
+        "src",
+        "README.md",
+        "CHANGELOG.md"
+    ]
 }