feat: upload module (#486)

* feat: wip upload module

* feat: local storage and serve local images

* feat: protect against injections

* feat: server local and s3 files

* fix: use storage location when serving local files

* feat: cross field env validation

server/src/utils/camel-case.ts

@@ -0,0 +1,26 @@
+import isObject from 'lodash.isobject';
+import lodashCamelCase from 'lodash.camelcase';
+import { CamelCase, CamelCasedPropertiesDeep } from 'type-fest';
+
+export const camelCase = <T>(text: T) =>
+  lodashCamelCase(text as unknown as string) as CamelCase<T>;
+
+export const camelCaseDeep = <T>(value: T): CamelCasedPropertiesDeep<T> => {
+  // Check if it's an array
+  if (Array.isArray(value)) {
+    return value.map(camelCaseDeep) as CamelCasedPropertiesDeep<T>;
+  }
+
+  // Check if it's an object
+  if (isObject(value)) {
+    const result: Record<string, any> = {};
+
+    for (const key in value) {
+      result[camelCase(key)] = camelCaseDeep(value[key]);
+    }
+
+    return result as CamelCasedPropertiesDeep<T>;
+  }
+
+  return value as CamelCasedPropertiesDeep<T>;
+};