chore: add a note for docker build

Author: apsinghdev

apps/api/.env.example

@@ -1,10 +1,14 @@
+# Note: pls don't use values as strings for the below variables, if you wanna run using docker becuase in this case, docker build fails.
+# simply use a format like this: name-of-the-variable=variable-value
+# for example: PORT=8080
+
 # Required
 CORS_ORIGINS=http://localhost:3000
 NODE_ENV=development
 PORT=8080
 
-DATABASE_URL="postgresql://USER:PASSWORD@localhost:5432/your_database_name?schema=public"
-JWT_SECRET="replace-with-a-strong-random-secret"
+DATABASE_URL=postgresql://USER:PASSWORD@localhost:5432/your_database_name?schema=public
+JWT_SECRET=replace-with-a-strong-random-secret
 
 # compulsory for the project search tool
 # Get a PAT from here https://github.com/settings/developers