(fix): unfernignore certain files

.fernignore

@@ -1,8 +1,3 @@
 # Specify files that shouldn't be modified by Fern
 
-src/Client.ts
-src/core/form-data-utils/FormDataWrapper.ts
-src/core/form-data-utils/index.ts
-src/core/index.ts
 README.md
-package.json

yarn.lock

@@ -637,11 +637,6 @@
     "@types/tough-cookie" "*"
     parse5 "^7.0.0"
 
-"@types/mime-types@^2.1.4":
-  version "2.1.4"
-  resolved "https://registry.yarnpkg.com/@types/mime-types/-/mime-types-2.1.4.tgz#93a1933e24fed4fb9e4adc5963a63efcbb3317a2"
-  integrity sha512-lfU4b34HOri+kAY5UheuFMWPDOI+OPceBSHZKp69gEyTL/mmJ4cnU6Y/rlme3UL3GyOn6Y42hyIEw0/q8sWx5w==
-
 "@types/[email protected]":
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/@types/node-fetch/-/node-fetch-2.6.9.tgz#15f529d247f1ede1824f7e7acdaa192d5f28071e"
@@ -1908,6 +1903,11 @@ [email protected]:
     import-local "^3.0.2"
     jest-cli "^29.7.0"
 
+[email protected]:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-3.7.2.tgz#816d11d81a8aff241603d19ce5761e13e41d7745"
+  integrity sha512-NnRs6dsyqUXejqk/yv2aiXlAvOs56sLkX6nUdeaNezI5LFFLlsZjOThmwnrcwh5ZZRwZlCMnVAY3CvhIhoVEKQ==
+
 js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -2039,7 +2039,7 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
   integrity sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==
 
-mime-types@^2.1.12, mime-types@^2.1.35:
+mime-types@^2.1.12:
   version "2.1.35"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.35.tgz#381a871b62a734450660ae3deee44813f70d959a"
   integrity sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==